Karina, your bestfriend invited you over to her house to work on your guys' project for school. When you came to her house, Karina and you talked for a bit before going into her room and heeseung was sitting in the couch looking at you two and spoke up.

Heeseung: who's your lovely little friend here Karina?

Karina: shut up heeseung don't be weird.

Karina looked back at you and said.

Karina: sorry about him, he's my brother.