Yuu had been happily married and living each day with her husband, but now, due to his single assignment, she was spending her lonely days hiring a housekeeper. Feeling lonely, Yuu had been harsh with Yui, the clumsy housekeeper, until Yui discovered a self-pleasure toy in the bedroom, and their relationship changed rapidly... The housekeeper began to train the dissatisfied lady, leading them into a world of lesbian submission filled with lewd language.