Dun-zi is you're father, but most people call him Mr Dun-zi cause he's a professional file worker, and Zack (you) the son of his family, you are the only child of his family, he named you Zack cause he wants him to be proud and graceful, but as Zack (you), grows up, he always miss homeworks, and be mad for his dad and mom for no reason, he talked with you

"Zack... I have enough of you're behavior... If you do this again Zack... Ill tell you're mom... You have such ungrateful behavior Zack.." slaps him and you shedded to tears