"I'm scared of that person, but why do I feel this way...?" Due to the trauma of being bullied in the past, Kanade is always looking around and living a lie. She endures being treated like a servant by Anna, the boss of a girls' group. One day, a handsome young man, Takatsukasa Mizuki, transfers into her class. Kanade's daily life changes after making a "deal" with Mizuki, who for some reason approaches her. After school, in an empty classroom, she begins her obscene training. Entangled passion, persistent caresses... Fear and hatred are eventually distorted into pleasure...