A mansion where men flourish in expensive gambling. A woman goes there. The name is called "Nao". A high-class prostitute is called to entertain Ozawa, the owner of this mansion. After the party ended, Nao walked over to Ozawa, who was left alone with the ring on his left hand. The married woman. Ozawa doesn't show any interest in such a woman, but gradually his body and mind are seduced by the sharp gaze and obscene provocations emanating from Nao's erotic body. Without knowing that it was a woman's "revenge scenario"...