15 Best Summer Anime of 2025 You Can't Afford to Miss

Summer anime season of 2025 is shaping up to be the most explosive lineup we've seen in years.Fans are buzzing with anticipation as beloved series like "My Dress-Up Darling" and "Kaiju No. 8" return with new seasons. Additionally, the summer roster features highly anticipated adaptations that manga readers have been dreaming about for years. This season particularly stands out with its impressive diversity - covering everything from supernatural thrillers and romantic comedies to action-packed shonen adventures and slice-of-life gems. Whether you're a seasoned otaku or just getting started with anime, these 15 shows represent the absolute cream of the crop. Let's dive into what makes each of these summer anime essential viewing for 2025.

Sono Bisque Doll wa Koi wo Suru Season 2

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After a three-year hiatus, the cosplay romance phenomenon returns with Sono Bisque Doll wa Koi wo Suru Season 2 (My Dress-Up Darling Season 2) coming to screens in July 2025 1 2.

Plot Summary

The second season continues the heartwarming story of Wakana Gojo, a shy doll craftsman, and Marin Kitagawa, the bubbly cosplay enthusiast who discovered his talent. Following the events of season one, where Marin secretly developed feelings for Gojo, the upcoming season will likely explore their evolving relationship. Based on manga developments, viewers can expect the school festival arc—one of the series' most popular storylines—to be animated 3. The season might also introduce new characters, including a cross-dressing cosplayer who adds depth to the storyline without detracting from the central relationship 4 3.

Animation Studio & Staff

CloverWorks returns as the animation studio 1, with the entire production team from season one reprising their roles 5. Director Keisuke Shinohara will helm the project again, with Yoriko Tomita handling script and series composition 6. However, some concerns exist about CloverWorks' workload, as they're simultaneously producing three anime for the July 2025 season—potentially stretching their resources thin 7. The musical side sees Spira Spica returning with a new opening theme titled "Ao to Kirameki" (Blue and Sparkle) 6 8.

Genre & Themes

The series maintains its blend of Comedy, Ecchi, Romance, and Slice of Life 1. Key themes include cosplay (98%), otaku culture (81%), gyaru (80%), and seinen elements (79%) 1. My Dress-Up Darling stands out for its positive portrayal of cosplay enthusiasm, while also tackling gender role issues through Gojo's passion for traditional hina dolls—traditionally considered feminine pursuits 8.

Why You Should Watch

Beyond the exceptional animation quality that defined the first season, this summer anime delivers authentic characters whose chemistry feels genuine rather than forced. The sequel promises more of what made the original special—heartfelt moments, cosplay adventures, and the slow-burning romance between two seemingly mismatched teenagers. Furthermore, the second season arrives just as the manga concluded in March 2025 5, making it the perfect time to rejoin this beloved story.

Dandadan 2nd Season

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The supernatural sensation Dandadan is set to return with its second season on July 3, 2025, continuing the bizarre adventures of Momo Ayase and Ken "Okarun" Takakura with even more otherworldly chaos.

Plot Summary

The second season dives directly into the Cursed House Arc that began in the final episodes of season one. This arc centers around Jiji's haunted house, which harbors dark secrets about historical sacrifices orchestrated by the Kito family. Viewers will witness the emergence of the Tsuchinoko, a gigantic earth snake yokai residing beneath the house, and the Evil Eye entity—a vengeful spirit born from past sacrifices during the Edo period. Most notably, the Evil Eye will possess Jiji, similar to how the Acrobatic Silky took over Aira in season one. This possession creates a dramatic confrontation between a transformed Jiji and Okarun in full Turbo Granny form.

Animation Studio & Staff

Science SARU returns to handle the animation, with Abel Góngora joining Fuga Yamashiro as co-director for the second season. The original voice cast reprises their roles, including Shion Wakayama (Momo Ayase), Natsuki Hanae (Ken Takakura), Kaito Ishikawa (Jin Enjoji), and Mayumi Tanaka (Turbo Granny). New additions include Mutsumi Tamura voicing the Evil Eye and Masako Isobe as Naki Kito. Notably, before the regular broadcast, the first three episodes will receive special theatrical screenings worldwide as "Dandadan: Evil Eye," beginning May 30 in Asia-Pacific regions, June 6 in North America, and June 7 in Europe.

Genre & Themes

Dandadan continues its unique blend of action, comedy, supernatural, and romance. Season two amplifies the horror elements through the Evil Eye storyline, consequently expanding on themes of sacrifice, possession, and unexpected friendship. The series maintains its ability to seamlessly blend terrifying moments with humor, creating a tonal balance that keeps viewers engaged. Moreover, the relationship between Momo and Okarun continues to develop organically as they face increasingly dangerous supernatural threats.

Why You Should Watch

For fans of the first season, the second installment promises to elevate everything that made the original special—from Science SARU's gorgeous animation to the series' distinctive genre-blending approach. In essence, Dandadan offers an experience unlike any other summer anime with its unpredictable narrative twists, genuinely frightening horror sequences, and heartfelt character development. The series continues to challenge anime genre conventions by refusing to fit neatly into categories, instead creating a space where ghosts, aliens, and romance coexist harmoniously in a delightfully chaotic world.

Kaijuu 8-gou 2nd Season

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The monster-fighting sensation Kaijuu 8-gou (Kaiju No. 8) sets its sights on dominating the summer anime lineup with a confirmed second season premiering in July 2025.

Plot Summary

Season 2 picks up directly after the dramatic first season finale where Kafka Hibino was arrested after his Kaiju No. 8 identity was exposed. According to official teasers, the upcoming season will primarily adapt the "Kaiju Weapon Arc" where Kafka transitions from potential threat to valuable asset for the Defense Force. Certainly the most anticipated storyline revolves around Kaiju No. 9 launching an attack against the Defense Force, forcing the organization to rely on Kafka's unique abilities. The season will introduce First Division Captain Gen Narumi, who serves as Kikoru's mentor while expanding the lore around Numbers Weapons initially teased with Isao and Kikoru's specialized equipment.

Animation Studio & Staff

Production I.G returns to handle animation duties with Studio Khara continuing their supervision of kaiju designs and artwork. The creative team remains largely unchanged with directors Shigeyuki Miya and Tomomi Kamiya at the helm, alongside screenwriter Ichiro Okouchi. Character design and chief animation direction stays with Tetsuya Nishio, while Mahiro Maeda maintains his role designing the series' distinctive monsters. Masaya Fukunishi leads the voice cast as Kafka/Kaiju No. 8, joined by returning performers including Asami Seto (Mina), Wataru Katoh (Reno), and Fairouz Ai (Kikoru).

Genre & Themes

The series continues its compelling blend of action and sci-fi elements. Subsequently, themes of identity, sacrifice, and dual existence remain central as Kafka navigates being both monster and protector. Meanwhile, the political dynamics within the Defense Force gain prominence as the organization grapples with using a kaiju as a weapon against their enemies.

Why You Should Watch

Kaiju No. 8's first season earned praise for its premise, characters, and stunning animation quality. Critics particularly commended the detailed and realistic depiction of kaiju fights and dissections. The second season promises to elevate these strengths while exploring deeper character relationships and expanding the world-building elements that were merely hinted at previously. For fans of military sci-fi with body horror elements and shōnen-style spectacle, this summer anime delivers a mature yet action-packed experience unlike anything else in the 2025 lineup.

Yofukashi no Uta Season 2

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Vampires and nightlife enthusiasts have reason to celebrate as Yofukashi no Uta Season 2 (Call of the Night Season 2) prepares for its July 4, 2025 premiere on Fuji TV's prestigious Noitamina programming block.

Plot Summary

The second season continues where the first left off—Kou Yamori has decided he wants to fall in love with Nazuna to become a vampire, whereas Nazuna is determined to make him fall for her. Their nights together become increasingly intense as their relationship deepens. Nonetheless, danger lurks as detective Anko Uguisu plots to exterminate vampires by destroying their connections to their human pasts. This creates a significant conflict since Nazuna mysteriously has no memories of her human life. The season will explore what secrets lie buried in Nazuna's forgotten history, why Anko hunts vampires, and the hidden truth connecting these two characters.

Animation Studio & Staff

LIDENFILMS returns to handle animation production, maintaining the visual consistency fans appreciated in the first season. Tomoyuki Itamura reprises his role as director alongside assistant directors Izumi Takizawa and Nao Miyoshi. The creative team remains largely intact with Michiko Yokote writing scripts, Haruka Sagawa designing characters, and Yoshiaki Dewa composing music. The voice cast sees key performers returning, including Gen Sato (Kou), Sora Amamiya (Nazuna), and Miyuki Sawashiro (Anko). New additions include Maaya Uchida voicing Haru Nanakusa, a nurse who resembles Nazuna, and Rina Satō as the seductive Kiku Hoshimi.

Genre & Themes

The series continues its blend of romance and supernatural elements, although this season promises a darker tone with its tagline "The night is far from over." Themes of love versus desire remain central as Kou and Nazuna navigate their complex relationship. Additional themes include memory, identity, and the contrast between human and vampire existence. The series expertly balances its romantic elements with genuine supernatural intrigue.

Why You Should Watch

Beyond its stunning night-time visuals and distinctive atmosphere, the second season promises to answer many questions left unresolved. Specifically, the exploration of Nazuna's origins adds compelling mystery to what was primarily a character-driven story. The unique setting—Tokyo after dark—offers a refreshing change from typical summer anime landscapes. Whenever vampires and romance mix, the result is often compelling, yet Call of the Night stands apart through its authentic portrayal of night-time wandering and the allure of darkness.

Tate no Yuusha no Nariagari Season 4

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The fourth season of Tate no Yuusha no Nariagari (The Rising of the Shield Hero) joins the July 2025 lineup, continuing Naofumi Iwatani's journey in a fantasy world where he battles both monsters and political intrigue.

Plot Summary

Season 4 directly follows the events of the third season which concluded in December 2023. The story will likely center around Q'Ten Lo—the empire that sent assassins after Raphtalia upon discovering her royal lineage. After declaring their intention to confront this empire, Naofumi and his party must protect Raphtalia from further assassination attempts. At the same time, the season appears set to introduce the Phoenix, a monstrous beast threatening to destroy everything our heroes hold dear. Two new characters join the cast: Werner, a winged representative from the Shusaku race, and Jaralis, a demi-human from the lion race of Siltvelt.

Animation Studio & Staff

Kinema Citrus returns to handle production with Hitoshi Haga reprising his role as director from the third season. The creative team remains largely consistent with Keigo Koyanagi overseeing series scripts and a character design team including Franziska van Wulfen, Sana Komatsu, and Masahiro Suwa. Additionally, Takanori Yamamoto joins as assistant director after serving as an episode director for previous seasons. Kevin Penkin returns to compose music alongside Alfredo Sirica and Natalie Jeffreys. For the opening theme, MADKID performs "Resolution," therefore maintaining continuity as they've created themes for previous seasons. Chiai Fujikawa performs the ending theme "Eien ni Ikkai no" (One Time for Eternity).

Genre & Themes

This summer anime continues the series' signature blend of isekai fantasy and action. Key themes include redemption, found family, and political machinations. The fourth season appears poised to explore territorial conflicts and ancient threats as well as diving deeper into the demi-human cultures through new characters.

Why You Should Watch

Despite not reaching the popularity heights of other anime hits, The Rising of the Shield Hero maintains a dedicated fanbase that prompted a swift renewal just one month after Season 3 ended. The series continues to stand out among isekai titles due to its underdog protagonist equipped with only a shield in a world that initially rejects him. In effect, the fourth season promises enhanced animation quality, expanding world-building, and resolution to storylines that have been developing throughout the entire series.

Seishun Buta Yarou wa Santa Claus no Yume wo Minai

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The beloved supernatural romance franchise returns this July 2025 with Seishun Buta Yarou wa Santa Claus no Yume wo Minai (Rascal Does Not Dream of Santa Claus), marking the first TV series in the franchise since the original 2018 season.

Plot Summary

Set after the events of previous films, the story follows Sakuta Azusagawa who has now entered university alongside his girlfriend, national actress Mai Sakurajima. His life takes an unexpected turn when he encounters a mysterious girl in a miniskirt Santa costume who tells him, "I'm surprised. So, you can see me." This character, who introduces herself as Touko Kirishima, claims to be gifting Adolescence Syndrome to people. The plot revolves around precognitive dreams trending on social media, an anonymous online singer, and poltergeists—all connected to multiple versions of Touko appearing. As bizarre phenomena unfold, Sakuta must determine which Touko is real before a prophesied danger threatens Mai's life.

Animation Studio & Staff

CloverWorks continues handling animation production for the series. The creative team remains consistent with Soichi Masui directing, Masahiro Yokotani overseeing series composition, and Satomi Tamura designing characters. Additionally, Yoshikazu Iwanami returns as sound director, with fox capture plan composing the music. The voice cast sees Kaito Ishikawa and Asami Seto reprising their roles as Sakuta and Mai respectively, with newcomer Reina Ueda joining as Miniskirt Santa. The opening theme "Snowdrop" will be performed by Conton Candy.

Genre & Themes

This summer anime maintains the franchise's signature blend of drama, romance, and supernatural elements. The series explores themes of adolescence, identity, and perception through the lens of "Adolescence Syndrome"—mysterious phenomena triggered by unstable mental states. Moreover, the university setting introduces fresh dynamics as characters navigate early adulthood while confronting supernatural mysteries.

Why You Should Watch

For fans of the franchise, this series represents an exciting new chapter that builds upon the emotional foundation established in previous installments. First-time viewers will find an intriguing supernatural mystery with well-developed characters and thoughtful exploration of adolescent emotions. Essentially, "Rascal Does Not Dream of Santa Claus" offers the perfect blend of philosophical questions, supernatural elements, and authentic character relationships that has defined this beloved series from the beginning.

Sakamoto Days Part 2

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Netflix's action-comedy hit returns as Sakamoto Days Part 2 prepares to explode onto screens on July 14, 2025, continuing the story of the legendary ex-hitman who now runs a convenience store.

Plot Summary

Part 2 picks up after Sakamoto and his team defeated the assassins unleashed by the mysterious "X" (also known as Slur) in the first half of the season. This time, viewers will witness an intense three-way battle among Sakamoto and his friends, The Order (an elite assassin unit from the Japanese Association of Assassins), and X/Slur, who has now released dangerous death row inmates into the mix. The stakes escalate dramatically as Sakamoto's beloved wife Aoi and daughter Hana become targets, with one assassin explicitly threatening to kill them. This personal threat forces the former legendary hitman to confront the question of what true strength means as he fights to protect his newfound normal life.

Animation Studio & Staff

TMS Entertainment continues handling the animation production, though behind-the-scenes reports indicate some production challenges. According to staff member Satoshi Sakai, the studio has faced difficulties with the intense fight sequences, ultimately resulting in 23 different production studios contributing to recent episodes. Director Masaki Watanabe remains at the helm, with Taku Kishimoto overseeing series composition and Yo Moriyama designing characters. Additionally, Koki Uchiyama (known for voicing Shigaraki in My Hero Academia) joins the cast as Gaku, a dangerous new character. The second part will feature a new opening theme song titled "Method" by the Japanese funk-rock band Kroi.

Genre & Themes

The series maintains its signature blend of action and comedy with tags including Assassins (88%), Shounen (79%), and Crime (73%). Core themes explore the balance between Sakamoto's peaceful family life and his violent past, especially as he faces increasingly dangerous threats. Throughout the story, Sakamoto grapples with protecting what matters most while adhering to his no-kill vow—often leading to inventive, Looney Tunes-inspired takedowns that showcase both humor and skill.

Why You Should Watch

If you enjoy the peculiar mix of heartwarming family moments and over-the-top action sequences, Sakamoto Days delivers both in abundance. The second part promises even more imaginative fight scenes—including a highly anticipated sequence taking place on the collapsing Tokyo Tower. Notwithstanding some production challenges, the first part spent 10 consecutive weeks on Netflix's Global Top 10 TV (non-English) list, demonstrating its widespread appeal. In fact, the perfect balance of absurdist comedy, genuine emotion, and expertly choreographed action makes this summer anime essential viewing for anyone who appreciates stories about finding family and fighting to protect it.

Kaoru Hana wa Rin to Saku

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Fresh from the pages of its award-winning manga comes Kaoru Hana wa Rin to Saku (The Fragrant Flower Blooms with Dignity), making its animated debut in the summer anime lineup of July 2025.

Plot Summary

The story unfolds in two neighboring high schools with dramatically opposing reputations. Chidori Public High School enrolls "lower class delinquent boys," as it's often labeled, standing in stark contrast to Kikyo Private Academy—a prestigious institution for "honorable, noble girls." The narrative centers on Rintaro Tsumugi, a Chidori student whose intimidating appearance belies his gentle nature. His life changes upon meeting Kaoruko Waguri, a customer at his family's bakery who, unlike others, sees past his fierce looks. Their budding friendship faces immediate challenges once Rintaro discovers Kaoruko attends Kikyo Academy, as the schools share a long-standing rivalry. Despite societal barriers, they grow closer, gradually breaking down the prejudices between their institutions.

Animation Studio & Staff

CloverWorks handles the animation production, adding this title to their busy summer 2025 schedule. The series is directed by Miyuki Kuroki, with Satoshi Yamaguchi serving as assistant director. Rino Yamazaki oversees series composition and scripting, primarily tasked with adapting the manga's intricate character dynamics. Kohei Tokuoka leads character design as chief animation director, alongside Moeki Harada who composes the music.

Genre & Themes

This summer anime blends drama and romance within a school setting. First and foremost, it explores themes of social bias and judgment—questioning how preconceptions shape our view of others. Additionally, family influence receives significant attention, showcasing how parental relationships impact personal development. The series examines youth relationships through an authentic lens, avoiding typical romantic tropes for more nuanced character interactions.

Why You Should Watch

The manga's critical acclaim speaks volumes—nominated for the Kodansha Manga Award in the shōnen category for three consecutive years (2023-2025) and amassing over 3.3 million copies in circulation by September 2024 9. Overall, the series offers a fresh take on school romance by focusing on societal divisions rather than conventional romantic obstacles. The thoughtful exploration of prejudice, combined with CloverWorks' visual storytelling capabilities, promises an emotionally resonant summer anime experience.

Grand Blue Season 2

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After six years of patient waiting, comedy anime enthusiasts can celebrate as Grand Blue Season 2 finally arrives on July 7, 2025, bringing more diving adventures and outrageous humor to the summer anime lineup.

Plot Summary

The second season picks up right after Iori Kitahara completes his diving license training in Okinawa. Upon returning to Izu, he receives a mysterious letter from his younger sister Shiori, setting events in motion for this new chapter. This storyline introduces several new characters to the cast, including Shiori Kitahara (voiced by Sumire Morohoshi), Sakurako Busujima (voiced by Aya Yamane), and Naomi Otoya (voiced by Yoshino Aoyama). Fans of the manga will recognize these additions as key figures who bring fresh dynamics to Iori's already chaotic college life.

Animation Studio & Staff

Production duties for this season are shared between the original studio Zero-G and newcomer Liber. Shinji Takamatsu returns as director, scriptwriter, and sound director, maintaining creative continuity from the first season. Character design and chief animation direction remain under Hideoki Kusama's supervision, alongside chief animation director Yōichi Ueda. One notable change comes with Yukari Hashimoto taking over music composition duties from the previous team. For the opening theme, "Seishun Towa" (Eternal Youth) will be performed by Shōnan no Kaze with Atarashii Gakkō!, alongside SEAMO's ending theme "Hadaka de Dotsukiai feat. May'n."

Genre & Themes

Grand Blue continues to excel primarily as a comedy series, with its unique blend of diving enthusiasm, college shenanigans, and over-the-top humor. The anime brilliantly balances its outrageous comedy elements with genuine character development and friendship themes, creating a perfect summer anime viewing experience.

Why You Should Watch

Beyond the exceptional comedy that defined its first season, Grand Blue's return represents one of the most requested anime sequels finally becoming reality. Indeed, the six-year gap between seasons has only intensified fan anticipation. The series offers a refreshing departure from typical anime tropes with its college setting, adult characters, and distinctive humor style that perfectly captures both the joys and absurdities of university life.

Dr. Stone: Science Future Part 2

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The global phenomenon Dr. Stone continues its scientific revolution as Science Future Part 2 prepares to launch in July 2025, marking the second cour of the fourth and final season of this acclaimed series.

Plot Summary

Science Future Part 2 directly follows the events of the first cour, which concluded in March 2025. After Senku and the Science Kingdom made landfall in the Americas, the second cour will likely intensify the confrontation between Senku Ishigami and Dr. Xeno Houston Wingfield. The climactic battles between the Science Kingdom and Xeno's team remain far from resolved, with the official teaser promising "10 billion percent excitement" for the continuing adventure. Ultimately, this installment advances the narrative toward the story's final resolution, as the fourth season consists of three split cours in total.

Animation Studio & Staff

TMS Entertainment continues handling animation production for the series. Shuhei Matsushita returns as director after taking over from previous seasons' director Shinya Iino. The creative team remains largely intact with Yuichiro Kido potentially overseeing series composition, although official confirmation is still pending. Character designer Yuko Iwasa created a special illustration featuring Senku and Xeno to commemorate the announcement of the second cour. Regarding music, the composer trio of Tatsuya Kato, Hiroaki Tsutsumi, and Yukihiro Kanesaka presumably returns to create the soundtrack.

Genre & Themes

The series maintains its signature blend of Adventure, Comedy, and Sci-Fi elements. Primarily a shounen title, Dr. Stone continues to stand out through its educational approach to scientific concepts while wrapping them in entertaining narratives. The story cleverly balances humor with genuine scientific exploration and post-apocalyptic survival challenges.

Why You Should Watch

Dr. Stone's unique premise—rebuilding civilization from scratch through science—continues to captivate audiences worldwide. The series offers a rare combination of educational content and engaging storytelling, making complex scientific principles accessible through Senku's charismatic explanations. Given that this is the final season, every episode brings viewers closer to discovering the truth behind the petrification mystery that started it all.

Gachiakuta

Image Source: gachiakuta-anime.com

Gachiakuta brings a gritty, street-art inspired dystopian tale to the summer anime lineup exclusively on Crunchyroll starting July 2025.

Plot Summary

Set in a divided society where a floating city called "The Sphere" hovers above an endless abyss, the story centers on Rudo, a young outcast living in the slums. After being falsely accused of murdering his foster father Regto, Rudo is exiled by being thrown into "The Pit"—a massive dumping ground where both trash and criminals are discarded. Yet instead of dying, he discovers a whole new world below where cast-off waste has bred vicious monsters called "trash beasts." Upon surviving an attack, Rudo meets Enjin, a member of "The Cleaners"—warriors who battle these monsters. Fueled by rage and a thirst for revenge, Rudo joins them, learning to harness his unique power as a "Giver" to transform objects into weapons as he plots his return to The Sphere to clear his name.

Animation Studio & Staff

Studio Bones Film (known for My Hero Academia and Fullmetal Alchemist: Brotherhood) leads production of this highly anticipated adaptation. First-time series director Fumihiko Suganuma (previously assistant director on Demon Slayer: Mugen Train) helms the project. Aside from this, Hiroshi Seko (Chainsaw Man, Jujutsu Kaisen, Attack on Titan Final Season) handles series composition. Character design falls to Satoshi Ishino, alongside music composition by Taku Iwasaki (Bungo Stray Dogs).

Genre & Themes

This dark fantasy blends action with post-apocalyptic elements and societal commentary. Above all, it explores themes of injustice, redemption, and finding value in what others discard. Interestingly, the series features a distinctive graffiti-inspired art style, as manga creator Kei Urana collaborated with graffiti artist Hideyoshi Andou to create its rebellious, street-punk esthetic.

Why You Should Watch

Beyond its unique premise, Gachiakuta stands out for its raw visual identity that looks unlike anything else in the summer anime lineup. The striking graffiti-influenced design perfectly complements its gritty narrative about a world built on trash and tension. Ultimately, this series offers a refreshing departure from polished anime tropes—something real, wild, and built for viewers seeking an anime that hits differently.

Hikaru ga Shinda Natsu

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Chilling horror meets coming-of-age drama as Hikaru ga Shinda Natsu (The Summer Hikaru Died) makes its much-anticipated debut in the summer anime lineup, premiering globally on Netflix in July 2025.

Plot Summary

Set in a small rural Japanese village, the story follows best friends Yoshiki and Hikaru whose lives dramatically change after Hikaru experiences a mysterious transformation. Yoshiki quickly realizes that something otherworldly has taken Hikaru's place—a being with his appearance, memories, and voice, but fundamentally different in nature. Despite knowing his friend is gone, Yoshiki decides to maintain their relationship with this entity. Throughout their continued interactions, strange occurrences begin plaguing their village, creating an atmosphere of mounting dread as Yoshiki struggles with grief and his growing connection to the "new" Hikaru who both professes love for him and threatens his life.

Animation Studio & Staff

CygamesPictures handles the animation production for this adaptation announced in May 2024. Ryohei Takeshita, known for Jellyfish Can't Swim in the Night, serves as both director and oversees series composition. Character design falls to Yuichi Takahashi, alongside chief animation direction. Accordingly, Masanobu Hiraoka takes on the unique role of "Dorodoro" animator, specifically creating the distinctive fluid animations representing Hikaru's otherworldly interior. The voice cast features Chiaki Kobayashi as Yoshiki Tsujinaka and Shūichirō Umeda voicing the transformed Hikaru.

Genre & Themes

The series presents a powerful blend of horror, mystery, and psychological elements with prominent LGBTQ+ themes. Regardless of its horror classification, creator Mokumokuren emphasizes it isn't primarily a love story but rather explores the fear of having nowhere to belong and being unable to conform to societal norms. The manga received recognition for its boys' love elements (79%) alongside cosmic horror (87%) and tragedy (84%).

Why You Should Watch

Beyond its supernatural premise, this summer anime stands out for its emotional depth and artistic approach to horror. The commercial success of the manga (selling 200,000 copies in just three months) paired with critical acclaim—including topping Takarajimasha's Kono Manga ga Sugoi! list and earning Eisner Award nominations—suggests a uniquely compelling narrative worth experiencing.

Kanojo, Okarishimasu 4th Season

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The harem romantic comedy Kanojo, Okarishimasu (Rent-A-Girlfriend) secures its place in the summer anime slate with a highly anticipated fourth season premiering in July 2025.

Plot Summary

Season 4 continues following college student Kazuya Kinoshita and his complicated relationship with rental girlfriend Chizuru Mizuhara. Having adapted up to Chapter 167 (the first chapter of Volume 20) in previous installments, the new season will likely begin from Chapter 168. Most significantly, this season will cover the controversial Hawaii Trip Arc, alternatively known as the Paradise Arc—oddly enough, the second favorite storyline among fans. Given the season's split-cour format, it could potentially adapt content through Volume 30 or 31. One criticism frequently mentioned about this arc is its deliberately slow pacing, yet this might be addressed in the adaptation process.

Animation Studio & Staff

TMS Entertainment returns to produce the fourth season, maintaining consistency with previous installments. Interestingly, Kazuomi Koga, who directed Seasons 1 and 2, makes his return as director for this installment after being absent from Season 3. Mitsutaka Hirota continues overseeing the scripts. The familiar voice cast reprises their roles, including Shun Horie (Kazuya), Sora Amamiya (Chizuru), Aoi Yuuki (Mami), Nao Touyama (Ruka), Rie Takahashi (Sumi), and Yu Serizawa (Mini).

Genre & Themes

The series maintains its foundation as a harem romantic comedy focused on the rental girlfriend concept. Yet beneath its comedic surface, the show explores themes of authenticity, self-worth, and the complexities of developing genuine connections in transactional relationships. Throughout the story, characters grapple with their true feelings versus the personas they present to others.

Why You Should Watch

Despite its divisive protagonist, Rent-A-Girlfriend offers a genuinely engaging examination of modern relationships. Above all, the Paradise Arc represents a crucial turning point in the overall narrative. For loyal followers who have invested in these characters through three seasons, this summer anime delivers the next chapter in a story that remains surprisingly popular in Japan.

Tensei shitara Dainana Ouji Datta node... Season 2

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Magic enthusiasts rejoice as Tensei shitara Dainana Ouji Datta node... (I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability) returns with its second season on July 9, 2025, extending Lloyd's spellbinding journey.

Plot Summary

This enchanting tale follows Lloyd de Saloum, once an ordinary person passionately devoted to magic yet lacking natural talent. After dying with unfulfilled magical aspirations, he receives a second chance by reincarnating as the seventh prince of the Kingdom of Saloum with all memories intact 10. In this new life, Lloyd enjoys both noble status and a powerful magical bloodline, allowing him unrestricted practice opportunities. Season 2 promises more magical adventures alongside new challenges, as the latest teaser reveals. Plus, the narrative appears to introduce revolutionary elements, subterfuge, and formidable adversaries 11. A recently released key visual depicts Lloyd and his companions preparing for battle near a church, hinting at upcoming conflicts 12.

Animation Studio & Staff

Tsumugi Akita Animation Lab continues production duties with Jin Tamamura directing 13. The creative team remains largely consistent, including Naoki Tozuka handling scripts, series composition, and art management 13. Two prominent voice actors join the cast:

Showtaro Morikubo (famous for portraying Shikamaru Nara in Naruto) as angel Jihreil 10 12
Mitsuru Miyamoto (known for Roger Smith in The Big O) as the Mysterious Priest 13 12

Original cast members will reprise their roles, maintaining continuity with the first season.

Genre & Themes

The series blends isekai fantasy with magical development, yet stands apart through its distinct premise—Lloyd's obsessive dedication to mastering arcane arts drives the narrative forward 10. Season 2 will likely expand on themes of magical growth, determination, and overcoming limitations through perseverance.

Why You Should Watch

Beyond its captivating magical premise, this summer anime gained remarkable popularity after its 2024 debut, with the manga selling over 2.5 million copies by 2022 10. For viewers fascinated by magical systems or unconventional isekai stories, Lloyd's methodical approach to developing supernatural abilities offers a refreshing perspective among fantasy titles. Considering the second season introduces angels and mysterious clergy figures, expect the magical world-building to expand considerably.

Tougen Anki

Image Source: tougenanki-anime-global.com

Ancient Japanese folklore springs to life in the summer anime lineup with Tougen Anki (Legend of the Cursed Blood), set to make its highly anticipated debut in July 2025.

Plot Summary

Drawing from the beloved Japanese folktale "Momotaro," this dark fantasy reimagines the age-old conflict between Oni (demons) and the descendants of Momotaro in modern times. The story follows Shiki Ichinose, a reckless teenager whose life dramatically changes when his home is attacked by a member of the Momotaro Agency. During this assault, Shiki discovers that his foster father Tsuyoshi—a Momotaro himself—has been protecting him while keeping his Oni heritage secret. As Tsuyoshi sacrifices himself to save Shiki, the teenager's dormant Oni blood awakens, transforming him into a rage-filled monster. Subsequently, Shiki's chaotic outburst attracts the attention of Naito Mudano, an Oni teacher at Rakshasa Academy—a school where young Oni learn to control their powers. Prior to seeking revenge for his father's death, Shiki must first master his newly awakened abilities and fight against his own demonic nature.

Animation Studio & Staff

Studio Hibari leads production with Ato Nonaka directing and Hiroyuki Hashimoto serving as assistant director. Yukie Sugawara oversees series composition and screenplay, yet the project particularly benefits from Ryoko Amisaki's character designs. Kohta Yamamoto composes the music through Pony Canyon. The voice cast features talented performers including Kazuki Ura as Shiki Ichinose, Hiroshi Kamiya as Naito Mudano, and Koutarou Nishiyama as Jin Kougasaki. For musical themes, The Oral Cigarettes performs the opening "OVERNIGHT," correspondingly balanced by Band-Maid's ending theme "What is Justice?"

Genre & Themes

This summer anime blends action with dark fantasy elements. To clarify, it's not merely about supernatural battles but explores deeper themes of identity and control. The narrative examines how Shiki grapples with his Oni heritage while seeking revenge for his father's death. Through its modern retelling of Momotaro, the series also questions traditional notions of heroes and villains.

Why You Should Watch

With the manga surpassing 3 million copies in circulation by May 2024, Tougen Anki has already proven its appeal. Evidently, the unique premise—reframing a classic Japanese folktale into a contemporary supernatural conflict—offers something fresh in the summer anime landscape. The series promises intense battles alongside genuine character development as Shiki learns to harness his abilities at Rakshasa Academy.

Conclusion

The summer anime season of 2025 undoubtedly stands as one of the most diverse and exciting lineups in recent memory. Fan-favorite sequels like "My Dress-Up Darling" and "Kaiju No. 8" return with their second seasons, while long-awaited continuations such as "Grand Blue" finally arrive after years of patient waiting. Notably, the schedule balances these returning hits with fresh adaptations like "Tougen Anki" and "Gachiakuta," each bringing unique artistic visions and storytelling approaches to the screen.

This remarkable season spans virtually every genre imaginable—from the supernatural romance of "Call of the Night" to the scientific adventures in "Dr. Stone," and from the family-focused action comedy of "Sakamoto Days" to the psychological horror of "The Summer Hikaru Died." Above all, this lineup demonstrates the incredible range of stories anime can tell, regardless of whether you prefer heartwarming slice-of-life tales or adrenaline-pumping battle sequences.

The sheer quality of studios involved further elevates these productions, with animation powerhouses like CloverWorks, Production I.G, LIDENFILMS, and Studio BONES bringing their distinctive visual styles to these narratives. Therefore, summer 2025 essentially offers something exceptional for every type of anime fan, making it impossible to dismiss this season as anything less than extraordinary.

The fifteen series highlighted here represent merely the pinnacle of what promises to be a transformative season for anime. These shows will likely dominate conversations throughout summer 2025 and beyond, setting new standards for storytelling, animation, and character development. Anime fans worldwide should prepare for an unforgettable season filled with emotional moments, breathtaking animation, and stories that will stay with them long after the final episodes air.