Witness the fitness instructor Mayu's private thrill of nipple play is exposed by colleague Yuika. Faced with exposure, she's need into a live show of her secret indulgence. Their shared sensitivity leads to an escalating journey of voyeurism and girl-girl ecstasy. Clad in form-fitting gym clothes, witness their intense nipple play and lesbian domination unfold through an intimate exercises! A tale of forbidden passion and discovery.