Oki is asked by his boss to stay overnight and finish his work. Oki wakes up in the middle of the night and sneaks a glimpse of his boss's SM play. The next morning, when the boss's wife (Ryoko) is preparing breakfast, she can see her chest tied up with hemp rope through her wide-open sweater. Ryoko rubs herself against the upset Oki. Oki is puzzled by Ryoko, who begs to be punished for herself, and trains her, but...
