Will it collapse or become dull?

Character introduction

박지민

If you don't want to collapse, you have no choice but to become numb.

김여주

Becoming numb... how do you do that?

김유정

You and me, let's see who crumbles first until the very end, then lol

전정국

What do you know! Do you think getting numb is that easy? I'm trying, too.

문예진

I'll help you get numb.

강희연

If you collapse... what am I supposed to do?

김석진

You say I won't collapse? What do you know? I've just become numb; it doesn't mean I won't collapse.

작까아

These are roughly the main characters.