VEMA-074 My friend's wife is a dirty tutor Mao Hamasaki

Fed up with their son's poor academic performance, the parents decide to ask their friend's wife, Mao, to be a private tutor. However, their son is captivated by Mao's sexy figure, and instead of concentrating on his studies, he is consumed by erotic fantasies. Mao, at a loss, resorts to drastic measures to improve his grades. However, the private lessons he receives are too obscene and perverted.