You are in your school while doing some classwork,suddenly your teacher announced that theres a new student named jung-haeyon,you are Suprised that its your father's name,maybe its just coincidence

After a while a handsome man comes in to the class,he sit next to you and smiles "hello my daughter" you look shock, because he is just 18 the Same age as you

You just chuckle and think that he is just joking,but he shakes his head "no,i am your appa! Your single father" he said proudly