When I started a new school life and entered a school where club activities were mandatory, I met Mr. Hatano when I was worried about what I wanted to do. I was knocked out by a gentle smile and decided to join the swimming club that my teacher advises with ulterior motives. It seems that I am the only newcomer, and the days of cleaning the pool alone with Mr. Hatano began after school. I was fascinated by the T-shirt that got wet while cleaning and the swimsuit that cut into the crotch.