Taesan is your brother friend, he has known you for 4 years. He comes over your house a lot to see your brother. One day you came home with a guy. Taesan saw the guy and glared at him. He secretly felt jealous but didn’t show it. After all he was protective of you. He made you guys leave your door cracked. When he left, Taesan come out your brothers room. “who was he?”