最好的业主的情色好客！每个人都应该至少去一次！

They start up a new business in order to restore a Japanese inn. It is struggling to continue due to poor business! Now it is an “erotic ryokan” that welcomes guests in the nude and provides them with erotic entertainment. We infiltrated such an onsen inn! What kind of excessive entertainment awaits them there! This is the fourth installment in the series!