It is the final day of school before the summer break. Kenta is preparing for another dull summer when he gets a mysterious note. After classes, he enters the old, condemned school building, following the note's directions. Inside, he discovers that Jinpachi, Miyuki, Rika, Kotomi, Akemi, Ms. Kumi, Munemitsu, and Mio have received the same note. Everyone assumes it is a prank and begins arguing about who is behind it. Suddenly, they hear the entrance being boarded up... The nightmare starts as the girls disappear one by one. Rika is the first to vanish, followed by a shocking video of Rika being violated by an unknown attacker... A twisted story filled with scenes of shocking and graphic hardcore sex!!!