주인의 베스트 에로 호스피탈리티! 모든 사람은 적어도 한 번 거기에 가야한다!

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!