Apocalypse My Useless Skill Became S-Rank

The day the System dropped, my city stopped being a place to live and turned into a map designed to kill me. Quests. Levels. Rewards. One rule above all: level up... or die.

I've been ignored my whole life-too ordinary, too "useless." But when the world becomes a game, the skill everyone mocks is the one thing that keeps me alive.

To clear the next zone, I have to team up with him: dangerous, calm, and way too familiar with what's coming. Every time I start to trust him, the System throws us a choice that demands blood. And the closer we get, the more I fear the worst truth-

He might not just know the rules. He might be part of why the world ended.