The exquisite beauty Ayuka Katou, whose husband is currently on a business trip abroad. Her pent-up desire is only soothed by masturbation. Her frustration has reached its limit, and she invites men to her home for illicit affairs. In the bathroom and bedroom where she once shared life with her husband, she indulges in forbidden sex with five men. Despite her pleasure, there's a hint of melancholy in her expression, perhaps because she can't let go of her love for her husband?