Yuka's days were filled with the monotonous routine of housework, childcare, and part-time work. Recently, she'd become quite close to a student named Higashi at her part-time job… Taking advantage of her husband's absence, she accepted a limited-time affair. From then on, the two were constantly caught up in intense infidelity, indulging in intense pleasure within their limited time. Reiko's body was violently violated, and she gradually began to feel pain, craving the penis of a young man, constantly aroused and wet…