Because her father-in-law was old, Nao and her husband inherited the public bathroom that he left behind. Because my husband is used to working in an office, managing the bathroom and going to work at the same time is too difficult. Nao decided to help her husband manage the bathroom. But because of that, the two of them rarely see each other. After her husband went to work, he had to come take care of his father, which made Nao very hungry for sex but couldn't do anything about it. One day, Takahashi, a young but extremely hard-working boy, he constantly worked overtime and had to come home late. He still went to Nao's bathroom often and even though it was closing time, Nao still let Takahashi inside. . One time, because he was so sleepy, Takahashi fell asleep in the bathtub. Nao quickly rushed in and saved him. She asked him to quit his current job to come work for her. Takahashi agreed and from then on, Nao and he were often together, and the two began to develop feelings. Even though she knew it was wrong, Nao's body was so hungry for sex. When Takahashi made the first move, her mouth couldn't speak but her body wanted to enjoy more...