Chikako, who was transferred to her husband's hometown, found herself living with her brother-in-law Shuhei, who was living alone after his wife left him. Chikako was uncomfortable with Shuhei's elusive and carefree demeanor. On the other hand, Shuhei, who was single and had pent-up sexual desire, found out that she was not satisfied with her husband's sex life and began to play with her voluptuous body in secret. Knowing the pleasure of being with a man other than her husband, Chikako initially resisted, but eventually began to seek out her brother-in-law's erect penis herself...
