Michiko lives a calm life with her son Kenta, as her husband is away on a business trip. However, she has started to think of Kenta's best friend, Daisuke, as a man. Despite her age, Michiko is driven by fantasies of wanting to have sex with a young man, and whenever she gets the chance, she gets close to him, thinking, "Maybe if I touch him, he'll get into it." Unable to resist Daisuke's attempts to suppress his sexual desire, Michiko begins to forcefully fondle his penis.