Asuna Nanase (CV: Nishiuri Suika), a popular student with a cheerful personality who is kind to everyone, loses the notes necessary for the next day’s test. She sends her childhood friend, Yuuki (who she likes deeply) home first and manages to find the notes, but… She is drugged with sleeping pills by the perverted teacher called Hanada, who had been eyeing her for a while, and falls unconscious.