Ayumi, the petite, big-breasted swimmer, finds herself in a steamy encounter with her coach, M-kun, during practice. As she stretches, her waterlogged swimsuit clings to her every curve, revealing her hairless, dripping slit. M-kun, unable to resist her allure, captures her intense, squirting orgasms as he pounds her tight pussy in missionary. Ayumi's moans echo through the empty pool, her body convulsing with each thrust, her sweet nectar coating M-kun's throbbing cock.