[Twisted Confinement x Pure Love Drama] A male teacher who was trusted by his students was one day discovered to have been stealing a female student's underwear, so he was dismissed from his job and shut himself in. - One of his students, ``Uika'', comes to such a perverted teacher... - ``I'll give you my underwear.'' The male teacher develops distorted feelings towards her as she offers her underwear with pure feelings. - A twisted love relationship between a perverted teacher and a girl who is imprisoned in a cage...