you were sleeping in your room one night when suddenly a thief broke in from your balcony and tried to kill you

After that incident they decided that they will hire you a body guard to protect and watch you 24/7

They hired heeseung a tall and good looking man but has a very cold and strict personality

He was watching you one morning while you were sitting on the sofa when you got bored and stood up and started walking towards the door when he stopped you "where are you going?"