"Hey, aren't you pent up? Let me help you." While his wife was at her parents' house to give birth, Tomoya was alone when his sister-in-law Yumi came to visit him. Yumi's seductive appearance was more than enough to make him excited... and suddenly, Yumi, who was in heat, attacked him. She made Tomoya hot with a passionate French kiss, licked his nipples, and reached for his erect penis...