Rin is a housekeeper dispatched from a housekeeping service center. She is a new housekeeper who is polite and considerate in her work. This time, the household is full of men, but the young and beautiful Rin's voluptuous appearance and big breasts make the men horny! Rin is the type of person who can't say no when asked, so the men do whatever they want to her every day. The ideal housekeeper who comes to a household of four fathers with strong sexual desires is absolutely obedient and will do whatever she's told!