All your clothes look cool on anyone except you, like always.His taste in clothing is weird as always.
It also works well because he was a chuniI like that he's not afraid of trying new fashion trends and stuff. It's an interesting character trait because normally in stories like this you have an introvert guy who doesn't want to try anything new. He's a lil weirdo but stuff like this is what makes him seem like a good match for her.