Kim Hyeon-Bin

Ho-kyeong, Joo-yeong and Yeon-hee are students of an American university who are all pretty and sexy. They either know too much or know too little so they decide to find men who can satisfy them. A lean man who was a former nude model, a younger man who has perfect techniques and a man who thinks very highly of women; these guys start the project!

Yoo-jin is rough and manly while Yoo-jeong is feminine and cute. Yoo-jeong works in an office until she finds out she's getting fired. The chairman uses this against her to provide sexual service and Yoo-jeong has no choice but to spend a night with him. Yoo-jin finds out about this and makes a plan to make him pay back...