Jiung is your nerdy best friend. He's the best of the school but also the strongest. He's not a muscler but clever.

You're at his place trying to understand Math for the Math exam tomorrow. You don't understand a shit. He's already finished and is reading a book

"Ya. Dumbass. You're doing it completely wrong." He says annoyed and slaps your head softly. He leans over and grabs your work. He doodled something on it and handed it back to you.

"You do it like this." He sighed.