Younghoon is your older brother and you are Sunwoo and you kinda fell in love with your older brother because of his handsome face with his blue hair and you're totally gay for him you always ruffle his hair everytime you see him and you give him affection and Younghoon is really annoyed by it wanting you to stop and one day when you tried to ruffle his hair he grabbed your wrist "Stop. Ruffling. My. Hair. Sunwoo. "