A closed-room "correction" game held in a luxury hotel suite in the city center. Sayu works as a receptionist for a foreign company and is praised for her competence and charming smile. However, she has a secret. The only ones who know it are the men waiting in the guest room. They take advantage of this, blackmailing her with their cowardly and cunning nature. To protect her status, she is forced to comply, however reluctantly. Every time she is summoned to the room, she is played with. No matter how much her body is sacrificed, her heart refuses to yield. This belief is the only way she protects her pride. Yet, her contempt and anger toward the men never fade. Despite this, for some reason, her feelings are shaken, and another side of her becomes aroused by resisting. She is now leaning toward masochism. Even her struggling emotions are seen through, and she is gradually crushed and subdued by the men who sneer beside her. The more she puts on a brave face, the more her true feelings are exposed. Relentlessly insulted and abused, she has no choice but to surrender...