This is an old-established hot spring inn located in Kusatsu City, Gunma Prefecture. Couples and married partners who come to stay there often call for a massage at the inn before going to bed. However, the masseurs here are a group of unscrupulous practitioners who will steal away their favorite female guests, regardless of whether their boyfriends or husbands are present! Unaware of this, the boyfriends or husbands, who fell asleep during the treatment, are ignored...
