Cream Lemon: Ami on the Poolside (2006)

Ami, who grew up in China, goes to high school and is engaged in Chinese martial arts and swimming. She returns to Japan because her mother is getting remarried. Hiroshi is a carefree college student who likes to secretly photograph women. One day, while practicing his hobby, he, along with his friend Takomoto, enters into a girls' changing room of the school pool.