Male student Souta Tsukishima begins working at his family's public bathhouse as a back washer. While concealing her true identity, Souta's classmate Aoi Yuzuki visits the bathhouse. A relationship between the two begins to develop when Souta washes Aoi's back.

• Ayaka Igasaki
• Kaina Honma
• Ringo Aoba
• Tetsuto Furuwaka