Lust gushes out! Secret instinct full-throttle training for my husband! A married woman's sexuality is liberated by awakening carnal desire! ! Sachiko (Mary Tachibana), a beautiful wife whose marital life has turned cold, ends up having an affair with the head of a high-class club where she worked for a living. Sachiko becomes immersed in sexual activities that her husband does not have and has fallen both physically and mentally. One day, in the middle of an act that awakened her carnal instincts, Sachiko smelled her husband's scent and looked up.