Your mom died when you were baby. You had a happy life with your father until you were 16. Your dad gets married to this other woman.So now you have a step mom You also have a step brother named, Han Jisung

You were the most popular and bully person in school. You used to bully everyone with your friends and you enjoyed it. At the same time, you used to bully Jisung as well.No one knows you are brothers

He couldn't say anything to his mother or your father because he was afraid of you.