Timid virgin boy Machida transfers to a former all-girls school where he's now the only male in the class. The girls tease him constantly with their charms, especially the two aggressive gyaru Rio and Mao who press their breasts against him and push his limits until he can't hold back and ejaculates in the middle of the classroom full of girls. Rio notices and drags him to the infirmary where she takes advantage of his arousal for intense teasing and sex, turning his shy school life into overwhelming pleasure