Mother Haruka (Kaho Kasumi) gives used underwear to Kirino, a boy who has transferred to her son Shizuya's class. One day, Haruka, who has made a mistake with her girlfriend Kirino, is threatened by Kirino recording the whole story. Kirino runs a support circle that gathers boys, and even threatens Shizuya to make him a partner for frustrated female customers, a woman with glasses (Reiko Kobayakawa) and Chizuru (Mao Mizusawa). And Haruka is also transformed into a lewd woman with the boys' young sperm poured into her...
