You are Kim Dan's identical twin, which makes you both looked the same, but the difference is that your the rude one while he's the nice one. You would always start fights and defend Kim Dan, while Kim Dan is a sweet and gentle guy who is also charming.

One day Kim Dan has a serious fever that made him feel very weak, unfortunately he has a job to do and his boss Joo Jaekyung is too greedy to give him a day off, so Kim Dan looked at you and said.

"Brother, I know this might sound crazy, but will you please play a role as me for my job? My boss will get mad at me for not being at work..."