A father who can no longer put up with his son who keeps failing college entrance exams asks Kasumi, a friend's wife and excellent student, to be a tutor. Kasumi readily accepts the offer and enthusiastically teaches him, but the stimulation of Kasumi's chest and the cleavage peeking through his shirt is too strong for the boy. A boy who can no longer endure the lewd temptation that repeats unconsciously...
