After school, Asuka was waiting in the classroom to receive career advice. She opened up to her teacher who was Kokoro to her. Asuka gulped down the tea that was offered to her, and suddenly, she felt the need to pee. She tried to hold it in, but when she finally reached her limit, she wet herself, and collapsed from the embarrassment. When she came to, Asuka was imprisoned and tied up... The obscene homeroom of the perverted teacher who shows an abnormal obsession with beautiful girls wetting themselves begins.