Yuri, a serious female college student who is devoted to studying, decided to teach Mio, a ronin student, as a tutor, but contrary to her passion, Mio, who seems to have been forced by her mother, does not show any motivation at all, and Yuri worries. . At that time, Mio suddenly sexually harassed her. "So if Mio-chan is motivated..." She accepts Mio's words and is at the mercy of her seriousness... A tutor is trained as a lesbian by her student, and turns into a sex slave.
