K.A.I.- 모든 수입의 왕

카이는 학교에서 카이답게 행동한다.

Flashback

Chan: "Baek, treat me."

Baek: " For what?"

Chan:"I'm hungry. Jebaaaalll!"

Baek:"Okay, let's bully Kai.. he would pay then. Hahaha."

Baek: " Kai, we're hungry. Treat us!!"

Kai: "Uhh..( I've just get paid but if I use it on them then I wouldn't get to eat dinner) .. Ok , let's go!!"

This is how everytime he slept without eating dinner.