Mai is dissatisfied with her sexual life with him who is thinking of getting married. When frustration peaks, he has a body relationship with a gentle man who attends a swimming class. Only one flirt ... I mean, but before I knew it, her body wasn't him, she started looking for a flirt partner. At the end of the lesson, it is a beautiful instructor with a young, lean body, slender and outstanding style who forgets himself in the empty pool and repeats the climax.