The chaste married woman Ryu goes on an overnight hot spring trip with her husband. Her only problem is... her older husband has recently been experiencing ED, and she's started to feel dissatisfied with their nightly activities. At the hot spring inn, she encounters an incident that she must absolutely keep secret from her husband. She is taken by bad men staying at the same inn. Despite knowing it's wrong, her body still feels... In the end, even her anus, which her husband has never touched, is violated.
