Watch this without using your brain..
1st Grade Class 2

Seungwan
Driving stakes in, tearing off rubber bands... eating slackers... (muttering)
Swoosh
cold
What are you doing?
Seungwan
Devouring Lee Chan Kwaaak
cold
Ahhh, Hansol-aaaah!!!
.
.
.
???
.
.
.
cold
Didn't you hear this bastard again?

Hansol
uh??
cold
Wait, are you a crash-landed alien?
2nd Grade Class 3
Junhwi
Ah, seriously... I'm so pissed off
Mingyu
He's acting crazy again.
Seokmin
Did you get the wrong homeroom teacher?
Junhwi
What?? I fell all alone.
Jihoon
lame
3rd Grade Class 5
Jeonghan
Choi Seung-cheol, three!!!

Seungcheol
What the hell, you bastard?
Jeonghan
What the hell, you bastard
Seungcheol
Do it without the last name!!!
Shua
Are you sulking again?
Jeonghan
Okay, okay, Seungcheol, four!!!!

Seungcheol
Seungcheol Seungcheopseun dreolseokchuchukshusuksuk
Shua
?lol
Jeonghan
Parking in the car;;
Seungcheol
What? That's right.
Shua
Yes, Mr. Choi Seon-cheop

Seuncheop
I'm dying
Shua
Ah, hey, there's a car in the next classroom.
.
.
.
Seuncheop
Ahahahahahahaha
Jeonghan
He talks like this, you know.
If your emotions get too intense, it's a disaster.
Seuncheop
Ah, they're exactly the same lolololol
Shua
Ahhhh lol crazy

Jeonghan
Joshu... Aaaah!!!
Shua
Is there a problem?
Jeonghan
Ah, seriously, you look just like Choi Seon-cheong, so why do you hit something like that when you smile!?!?
Seuncheop
It's the unwritten rule.
Jeonghan
Hey, wanna hang out this week?
Jeonghan
Let's take a tour bus and dance with the grandmothers

Seuncheop
????
Shua
Tour bus..?
Jeonghan
Tour bus!!!
Seuncheop
Where are you going?
Jeonghan
I don't know...
Shua
I'm not going
Jeonghan
Ah, whyyy? If you dance well, they might give you some allowance.
Shua
let's go
Seuncheop
Have you tried it?
Jeonghan
yes

Seuncheop
???????
I thought it was 3rd grade Class 5, my class;;
