[Machine Translation] A town in the suburbs of Tokyo. Tomoatsu Naoe, who works at the bodywork salon "Smiley Boa," specializes in treating chubby people from other worlds. They came to our world from another world, and they have to be the same weight when they return, but they are too fat to return. ...... Naoe invites Kuroe and Oga to a trip to a hot spring to thank them for their help with the move and to give them a little consolation. What did the otherworldly people want to do at their first hot spring and private outdoor bath?