HGlock SM - Young Sister.pdf (2025) [PREMIUM BIG STORY] (3108 PCS!)

It was a warm summer evening when Ethan first spied on his little sister Kira. The 14-year old boy had recently discovered his own sexuality and found himself unusually fascinated by the budding body of his 12-year old sibling. He had been sneaking peeks of her sunbathing topless in the backyard pool for weeks now, his young mind filled with forbidden fantasies.

Ethan had just gotten his hands on a shrinking serum his dad was working on in his lab. The astounding invention allowed the user to miniaturize themselves down to the size of an insect. His father warned it was highly experimental and not ready, but the boy's mind was spinning with the possibilities.

Late at night, he snuck into the lab, heart pounding. His hands trembled as he readied the syringe. With a deep breath, he injected the serum and watched in amazement as he rapidly shrunk down to the size of a housefly. His heart raced with a thrilling mix of fear and excitement.

He crawled out a window and scurried through the grass. The warm summer air tickled his tiny body as he approached the house carefully. Kira's bedroom was dark, but he could hear her light breathing from the open window. Ethan's tiny body tingled with anticipation.

Silently, he slipped into her room. His sister lay sleeping peacefully, bare legs splayed. He approached her bed and climbed upon the sheets, the fabric towering above him like a landscape. Creeping up her thighs, he peered up under her nightgown. His tiny eyes widened at the sight of her hairless slit.

Kira shifted in her slumber and Ethan froze, barely daring to breathe. But she didn't stir. Emboldened, he ventured closer, drinking in the sight of her pale puffy lips. He ran a miniscule hand over her smooth skin.

Suddenly, a hand shot out and grasped him! "Ahhg!" Ethan squealed in terror. He struggled wildly but Kira's fingers encircled him. She lifted him up and their eyes met.

"Ethan?! What are you doing??" She gasped awake. "And how did you get so small??"

The boy was mortified to be caught. "I...I can't explain, I just wanted to...wanted to see..."

"You little pervert!" Kira glared and reached for his tiny member. Overwhelmed with humiliation, Ethan tried to squirm free but she easily grabbed his member and rubbed hard. His tiny body sparked with involuntary pleasure. With a few quick strokes, he exploded with a squeal, his seed splattering across Kira's fingers.

The girl was stunned. In a rage, she positioned Ethan in her vaginal grip. His body quaked as she clenched around him. "You'll get what you wanted, little spy!"

With a grunt, Kira pressed him against her opening and pushed him inside - up, up, up her tightening canal! The boy found himself engulfed in warm slippery walls clamping around his body from all sides. Panic flooded his mind. He was completely at her mercy, a helpless fly-sized speck penetrating his own sister.

Kira waited until he was fully embedded inside her. Ethan's consciousness went black, overwhelmed by the sensation. When he awoke, he was still impaled in her, lying on top of the sheets. Kira slept, a satisfied smirk on her face. He was trapped inside her, to be released when she woke up.

And so it began. Nearly every night, Kira would "catch" her tiny brother, force him inside her, and let him marinate in her juices before smothering him again. Ethan was powerless to resist her torment. The sensations of her squeezing walls were maddening, an exquisite mix of pleasure and fear and despair.

But his mind had gone numb, his will subsumed by their dynamic. He almost looked forward to being her toy. Even began secretly hoping to get caught. None of his other experiments compared. His last scruples faded.