Reo goes to a beauty salon that her female friend told her about, but accidentally ends up going to the wrong one. Unfortunately, it was a suspicious erotic massage parlor, and even though I felt that the atmosphere was different from what I had been told, I decided to sign up for the ``1-day slimming course.'' Eventually... the intense treatment that gradually touches her sensitive parts finally makes Reo cum. And even if she cums, the treatment doesn't stop and she is forced to climax with a follow-up attack...