Takahiro, who became a university student, lost his father and was living an unfamiliar life with his mother-in-law, Mai. Mai, who wants to be called a mother by her son, tries to close the distance with her, but Takahiro has a lover, Eriko, who is older than her. By coincidence, Eriko was Takahiro's mother. Mai, who was jealous of her girlfriend Eriko, abducted her girlfriend Eriko because of her affection, and also to her girlfriend Takahiro.
