At a class reunion, our protagonist strikes up a conversation with two friends—a man and woman—and invites them to a love hotel! He proposes that for every cumshot he delivers, they give him 100,000 yen, and when they are left alone together... In the twilight hours before last call, they find themselves in a private room filled with lustful anticipation. Before them stands their old high school sweetheart, her beauty unchanged since those days gone by. Unable to resist the allure of her familiar face and even more voluptuous body than before, he begins his seduction.
The married woman initially hesitates but soon gives in to the temptations of this illicit encounter. Tonight, they embark on a dangerous journey of adultery, exploring each other's bodies in ways they never dared during their youth. As the night unfolds, it becomes clear that one shot of hot, sticky cum isn't enough for these horny married individuals. Will their forbidden desires lead them down a path of endless infidelity?
