Airi, a member of the swimming club, whose white skin and tight school swimsuit look great on her, tends to skip club activities! The swimming club advisor, worried about her, calls her in, and after a series of events, she ends up getting a massage! She starts off with a risky muscle check, then massages her muscles over her swimsuit, and then gradually gets her hands inside her swimsuit with an oil massage! With the teacher's passionate guidance, before she knows it, her pussy is soaking wet! Her breasts, which are spilling out of her swimsuit, are squeezed, and she is given a licking blowjob, which makes her climax in no time! The teacher's hard penis gives her an even more intense massage of the back of her vagina! Has this loosened up her muscles and pussy?