Подружка-изменщица

Мизуки Сузумори has been in love with her neighbor Sōta Kazami since childhood. Their romantic relationship is developing rapidly, and the couple is considering their future. They promise each other that they will definitely enroll in the same university. In order to obtain a recommendation for admission, Mizuki is forced to stay at a training camp during the summer vacation, and soon Kazami receives a DVD disc from an unknown sender.