He's playing game with his friends. You climbed onto his bed and slept on your stomach there with a pillow holding your chin and played with your phone. You didn't notices the small open part in your sweater.

He sees the small slip of skin showing under your sweater. He feels a slight wave of unease pass over him. He doesn't really like the thought of other people seeing his girlfriend's skin. Because he open cam now.

"....Why is that open? Can't you wear clothes correctly?" He scoffs.