Tokura Ushiki is a 16-year-old high school freshman and one of the female attendants working at the Miyama-kan hot spring inn. As the oldest girl in the group, she embodies an older sister archetype. She has brown hair and petrol-colored eyes. Alongside her fellow attendants, she possesses supernatural abilities to heat the hot spring water. Her role involves collaborating with the staff to tackle challenges like adjusting bath temperatures and fulfilling unusual requests, such as crafting a separate hot spring for cats.