A young athlete and student council president, Reiko, decides to give her innocence to her lover, Shintaro. The school where they study and prepare for the festival seems to be the perfect place for this. After all, as the main organizers, they have every right to inspect all classes, even the most hidden and closed ones.

The film adaptation of the fifth part of the cycle of "Infections" - visual novels from the studio SPEED. The main character of all episodes, Masahiko, goes with his journalism club to a summer camp to train a support group for a local team and write an article about it. However, shortly after the protagonist's arrival, he is abducted, and his older sister and her childhood friend go in search of him.