Reona Tomiyasu, who enjoys developing men as sex tools, plays with the big dick of a young man she has trained and releases her sexual desire! However, Leona starts to feel bored with such men and decides to look for a new man! She approaches the man disguised as a serious housekeeper as usual, shows off her huge breasts and thong panties, and gradually develops him into a sex slave! Eventually, the slutty housekeeper who has the big dick man as her own goes crazy with sex with that dick many times!