Maria Wakui, driven wild by abstinence, endures two days of humiliation at a hot spring inn! As soon as she arrives, a remote-controlled vibrator is planted inside her for a mortifying walk around the inn, followed by serving a middle-aged man in the public bath! Back in her room, she's subjected to blindfolded bondage and toy play by a dominant man, climaxing repeatedly with squirting orgasms. During a wild 4-way party, she's driven to ecstasy by relentless pounding! Finally, her masochistic side blossoms, and she becomes addicted to the pleasure of being dominated!