Tetsuro failed his university entrance exams and is currently repeating a year. Unable to bear it, his father asks Riko, the wife of a former colleague who used to be a tutor, to tutor Tetsuro. Riko agrees readily and starts teaching Tetsuro immediately. However, Tetsuro lacks motivation and has no interest in studying. Thinking about how to make him focus on his studies, Riko comes up with a plan: using her body to tempt him and stimulate the student's drive…
