The shrinking girlfriend

Mei is the current administrator of the hotel that belong to her parents who are traveling, at the moment she only have two guests, her boyfriend, Alan, and the eccentric scientist, Janice, Alan works as Janice's assistant, but Mei usually gets in arguments with Janice since the mature scientist always pay the rent late and cause trobles in the hotel with her crazy experiments, one day Mei was tired of Janice's aptitude  when she was demaning to the scientist to pay the rent so Mei barges in the room, interrupting Janice's experiment as Mei's body was covered in radiation that is causing to her to shrink in size each day, with the help of her boyfriend and the eccentric scientist will she be able to get back to her normal size?

This comic has 593 pages

The story was inspired in the classic anime: Spirit of Wonder, episode The shrinking of Miss China