Female teacher Jun. He is sober and serious, but has an affair with a colleague's physical education teacher because of his weak personality. "It's a pure butt, it's super erotic... Wear these transparent pants and teach me." Creampie SEX until the affair is found out and the student grasps the weakness and is made to fall asleep. "Since you're having an affair, you can have raw sex with us, right?" At first, Jun resisted, but ... he fell completely into an adolescent unfaithful Namachinpo! ! Deca Ass Trembling Vulgar Iki! !