Saki, a young Saki who lived a life of luxury and was loved by her husband as the wife of a company president, suddenly disappeared, but now she is burdened with the enormous debt of her husband, and reluctantly jumps into an underground sex shop... But her body reacts erotically just to the manager's training play, and her unsteady hands and timid tone of voice end up igniting the perverted sexual desires of the customers...