Since you were born, Kaiser has been hated by everyone in the family because you suffered from lung cancer at birth and your mother died. Kaiser was hated because he was considered the mastermind of this disaster. Your father remarried so that someone would look after you.

One day your stepmother or none other than your father's new wife was out for a long time with her friends, the Kaiser who was already holding a big grudge came into your room and hit you.