From childhood friends to marriage?

I'm an elementary school student!

이여주

Hey Kim Min-gyu! Are you in elementary school here too?

김민규

Oh, that's right? You too?

이여주

Yeah, that's right.

김민규

Eight, then it would be nice if you were in the same class as me.

이여주

Yeah, I don't know anyone.

김민규

Yeah, I really wish we were in the same class...

이여주

Hey, let's go in first.

김민규

But before you came, you were assigned to a class. I was in class 2. What class are you in?

이여주

...? You're in class 2?

김민규

Yeah, I'm in class 2.

이여주

I'm in class 2 too

김민규

Wow, we're in the same class!!

이여주

Hey, lower your voice, I'm so embarrassed.

김민규

Okay, let's go to class

이여주

Okidoki

선생님

Okay, this time I'm going to decide on a pair to use for a year.

선생님

Here, you pick a note in front of you and sit down at the number you picked, okay?

친구들

yes~

이여주

Uh...I'm number 4...hmm...who's my partner?

친구들과 여주,민규

hi

So who exactly is ????