His name is Gu won.
He's the boss at King the land.
His father is chairman.
His favourite Colour is black.
He's a workaholic.
His mother died or left him at a young age. (He was 5.) He has no clue where she is or is she even alive.
His dad is single.
He has a rude older step sister, her name is hwa-ran.
Him and his step sister are competing on who's going to be the next owner of king the land.
He's doesn't like casual clothing.
His dad's name is gu il-hoon.
He dresses in suits at all times.