mai is dissatisfied with her sex life with him who is thinking of getting married. when frustration reaches its peak, i have a physical relationship with a gentle man who goes to a swimming class. just one flirtation… that’s what i’m going to do, but before i knew it, her body wasn’t him, and she started looking for a cheating partner. at the end of the lesson, a beautiful instructor with a young and toned body, slender and outstanding style, who forgets himself and repeats the climax in an empty pool.
