You came home with a wound on your lips because your boss slapped you very hard that you accidentally hit on something then it made a wound on your lips, heeseung is your boyfriend and he was just laying on the couch playing video games. He then saw you come in and he was going to greet you but he realized you have a wound on your lips and he went serious.

"Who did this to you?." He said in a stern and cold tone while gripping on your wrist tightly