Aya, the mother with a beautiful body, and her son is intrigued by her body. The son peeks at Aya bathing. The image of Aya's beautiful curves won't leave his mind, and he begins to masturbate in the living room while fantasizing about bathing with his mother. Meanwhile, Aya, who witnesses her son stroking his now-hard cock, is unable to suppress her lust and begins to pleasure herself. And finally, the son confesses his feelings. The mother and son's secret bathing session begins...