Yuna works as a concierge at a luxury hotel in Tokyo. One day, he goes to the room to deal with a complaint to an important customer who is a shareholder, but he touches the customer's reverse scale even more when he says that he has a bad attitude. In fact, it is a trap for a customer who tries to corrupt Yuna, and Yuna is strangled and made to faint. - From there, the terrifying hotel confinement training began. Restraint shame play, toy squid, throat deep throating, rape. Gradually, Yuna's spirit goes crazy.