Heain is your step brother, he is handsome and talented and is always a good son in your father's eyes. When you went to the city to study at university, Heain asked you to live with him so he could tutor you

As soon as you carry your suitcase into the apartment, you see Heain hugging a girl and seem to be having fun in the living room. That girl embarrassed when she saw you and left but Heain acted nothing happened " Come here my little brother, I'll get you some water" he smiled