Mage Legend - Chapter 137 - 47 episodes Discovery

C-class mercenary. Started as a No Class, possessing nothing.

13 years of survival in the depths of the ditches.

I’ve managed to return to the beginning, but…

I was the one who boosted your rank. Yet you stabbed me in the back? Fine. Goodbye. I’m taking it back. You’re finished now. Thanks to you, I now have an abundance of skill points for a prosperous hunter life. But… after spending some of those points, the S-Rank is starting to get obsessed with me…?

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy