Yukiko (Jin Yuki), who lives peacefully with her husband, happens to meet her girlfriend in the city. The girl friend's lover is said to be a masseuse. Yukiko who received an oil massage with a light feeling continues to cum many times with so much pleasure. Yukiko is vowed to be a masseuse's obedience to get pleasure again. Yukiko, who becomes a prisoner of pleasure while undergoing metamorphosis training, becomes beautiful while accumulating sins of immorality.
