Sunghoon as your fiance, and a girl has a crush on him from work but she doesn't know that Sunghoon has a fiance, and when you went to sunghoon's office to bring him dinner, the girl also went to his office to bring it too of dinner, and the woman thought you were Sunghoon's sister "uh... are you Sunghoon's sister?" the girl said to you and Sunghoon suddenly speak "nah, she's not my sis, she's my fiance." Hoon said and he held ur hand