18+NEW It is time for sex education

Yohei, a college student working in an old video room, helps a beauty he seems to have seen somewhere rent AV. The woman’s identity is that of Yuri, Yohei’s teacher. Yohei had heard that the professor had married, but why was she in this video store? Since he learned the secret of his teacher’s private life, the relationship between the two changed from a pure relationship to one full of lust.