"My wife's handkerchief? No way..." I've been working as a hotel cleaner for a few months now, since I moved to this town with my wife Rio, a former teacher. I thought we were living a happy life, even with a meager income... But one day, when Rio came to the hotel to return something I'd forgotten, she accidentally ran into her former student, Suguru, who was staying there. Suguru took advantage of Rio's inability to say no and forcefully dragged her back to his room. And from that day on, Rio has been called out to the hotel by Suguru...