Kanade returned to his hometown in the countryside for the first time in several years. His sister-in-law, Sarara, was just as she used to be: plain, kind, and the ideal wife who devotedly supported his brother. However, on a midsummer night, Kanade witnessed Sarara drenched in sweat in a room with a broken air conditioner, drowning in pleasure while masturbating. In reality, the serious sister-in-law had a hidden side—she was a perverted nympho who couldn't suppress her desires. Having been caught in the act of her extreme masturbation, Sarara seduced her brother-in-law right beside her sleeping husband and greedily devoured his young cock. From that moment, a secret, immoral relationship began between the two...
