he is your clingy bestfriend. since 3rd grade and now, your classmate in junior highschool, he's a cutie but muscular, your body guard from people who try to mess with you,

it is 6pm, you and him are studying in your room since the final exam is on monday, which are 2 days ahead since its friday today, your parents are at their jobs, and you two are currently reviewing math,

Changbin: “nooo..! I thought 143 was the answer!! how did you even solve it??”