STAR-673 Makina Shiraishi, a 29-year-old female student. As the only girl in an all-boys school, she is revealed to be an AV actress and gets raped repeatedly by horny teenage boys for their sexual gratification...

Among the boys, there is only one girl, and she's 29 years old... Her lewdly mature body excites the sexually active teenage boys! The students peek at her changing, get aroused by her adult underwear, and lust after her tight gym shorts. They find out she's an AV actress and threaten her into sex to satisfy their desires. In the end, everyone finds out, but she brazenly goes for it, seeking out young penises and having a massive orgy with all the boys in the class!