A closed-room teaching game held in a room of a luxury hotel in the city center. President's secretary Kiyoka was not only intelligent but also trusted by the company and clients due to her beauty and slender appearance. However, such an excellent her had a secret. The only ones who knew that were the men waiting in the guest room. The woman was exploited and extorted by the cowardly and cunning men. In order to protect her own status, she had no choice but to obey unwillingly. Called to the room, she was tormented unreasonably all night each time. No matter how much her body was sacrificed, her heart would never yield. That belief was the only means to protect her self-esteem. With that, there was no way the contempt and disgust towards the men would disappear. But somehow her feelings were shaken, and there was another self who was aroused by resisting. She was already inclined to masochism. Even her feelings of struggling and suffering were seen through, and by the men who mocked her from the side, she was slowly twisted and subdued. The more she put up a front, the more her true feelings were exposed. The woman was mercilessly insulted and abused, and there was nothing left but to submit...