As her life was boring, Mayu Morita took a swimming class to relieve stress. However, the lesson takes a turn when she flirts with the slutty instructor and he touches her all over her body, and finally, she starts sucking his cock and he cums in her mouth. After that, they switch places and enjoy, sucking her big tits and playing with her pussy makes her feel really good, and finally after sucking his cock and tit fucking, the coach cums inside her, which completely relieves her stress.