There is a "clean and elegant beautiful girl specialized soapland" that exists somewhere in this world. The hot-spring service, which is chosen only for “brothers”, will lead you to the pleasure world that can not be replaced by anything else. Now, Imawashi is also full of cleanliness and a sense of luxury, and the finest formal Ubuhime refreshes her dirty heart and body with sincerity. As long as you allow time, please enjoy it.