A mansion where men thrive in expensive gambling. A woman came 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 up to Ozawa, who was left alone with the ring in his left hand. Married woman. Ozawa showed no interest in such a woman, but gradually his body and mind were captivated by the sharp gaze and obscene provocations emanating from Nao's erotic body. Without knowing that it was a woman's "revenge scenario"..