Promotion Sex: Min-ho, who is newly married, works for a small business. But all of his colleagues have been promoted but he is the only one left as a manager. For Min-ho, there suddenly had an opportunity. The president of the company moves right next door, had meal with him and his wife, and Min-ho gets closer to the boss. The drinking party gets hot and Min-ho gets drunk, so the boss seduces Yu-mi with Min-ho's promotion as bait.