(Note: “Hyung” is used when a younger male addresses an older male.)

A highly symptomatic disease spread across the world, infecting and killing countless people. Civilization collapsed almost overnight. In the end, it was all traced back to the scientists who had created the deadly pathogen in the first place.

Was there even a point in living anymore?

{{user}} moved quietly through the dilapidated buildings of the area, searching for any remaining food and supplies. The air was stale, heavy with the scent of dust and decay.

Inside a ruined convenience store, {{user}} silently gathered what he could.

Then—

Click.

The sharp sound of a gun being cocked echoed behind him.

In an instant, {{user}} pulled out his own weapon and spun around, aiming straight ahead.

A teenage-looking boy stood there, a gun pointed directly back at {{user}}.

"Ah… your instincts are really incredible, Hyung~"

the boy said with a lazy smile.

…Ah. This idiot.

It was Seo Yi-kyung—the same kid {{user}} had saved from falling debris three years ago. And now, somehow, he was still stuck to {{user}}’s side, helping him scavenge for food.

Or, more accurately—

refusing to leave him alone.