After work, Yagi goes drinking with his coworker Saito and invites him home when they still have not had enough. When the two arrive drunk, Yagi’s wife Azusa greets them, and Saito cannot take his eyes off her huge tits. After chatting for a while, Yagi and Saito clash over work and start arguing. The dispute ends before any punches are thrown, but Saito is still seething and begins plotting to take his frustration out on Azusa.