Movie Information:
This is a long-established hot spring inn in Kusatsu City, Gunma Prefecture. A couple—a boyfriend and girlfriend or a husband and wife—who came to stay there decided to call for an in-house massage before bed. However, the massage therapists here were a gang of unscrupulous practitioners who would steal away female guests they took a liking to, completely disregarding whether their boyfriends or husbands were right there beside them!! Unaware of this, they took advantage of the situation while the boyfriends or husbands—who had fallen asleep during the session—lay right there…