Akari, who married seeking stability, was living a dull, unstimulating life both day and night. Then, at a class reunion, she hit it off with her ex-boyfriend and cheated for the first time. From that point on, as if her inhibitions had snapped, she spent her days indulging in one affair after another. One day, her live-in stepfather suddenly cornered her with his smartphone in hand. On the screen was evidence of her infidelity. Using that as leverage, he demanded her body. Akari kept refusing, but what will happen next?