Airi-chan, a swimming team member who looks really good in her white skin and tight school swimsuit, often skips club activities! After being called in by the worried swimming coach for various reasons, she ends up getting a massage as the conversation unfolds. Starting with a risky muscle check, the massage progresses from kneading muscles over her swimsuit to an oil massage, gradually slipping hands inside her swimsuit! Under the teacher's passionate guidance, before she knows it, her private parts are soaking wet! Her protruding breasts, slightly emerging from her swimsuit, are kneaded and squeezed, and with a slide of her swimsuit and a lick around, she quickly experiences continuous ecstasy! With the teacher's aroused penis, the massage intensifies, focusing on her deep vagina and uterus!? Have her muscles and her private parts been properly loosened with this?