On her husband's suggestion, Misuzu visits a place called Koyoh Onsen. However, she becomes entangled in an unexpected incident and is forced to work as a resort companion. While her husband lies unconscious, she is held captive and compelled to serve vulgar guests. Over time, Misuzu begins to gain control over herself, honing her skills to meet the guests' demands. Eventually, her abilities evolve into those of an exceptional bathhouse hostess, delivering exquisite and masterful service.