Souta found a part-time job as a back washer at a local Sentou in his hometown. He was surprised to see his classmate, Aoi, there, trying to conceal her identity. As he continued to massage her back despite her constant harassment, Souta slowly realized that Aoi had feelings for him. When their skin touched during a session, Aoi finally recognized Souta. This led to a comedic love story unfolding behind the red curtain between the awkward duo.