There is a very, very old communal bathhouse in the neighborhood. the newly opened bathhouse called Spa Land is equipped with rooms where people can play games or chill out, but the mother in the story insists on goin to the old bathhouse. One day, a strange old woman suddenly shous up in the cold bathtub! She says she is a fairy who lost her heavenly robe a long, long time ago. The bath fairy tells a heartwarming and laughter-filled story about a fairy grandmother in the old bathhouse.