I Secretly Develop Myself In The Demon World - Chapter 783 - 410 Four Days Later

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

In a world fraught with innumerable dangers where living day by day is a struggle, a young man from the modern age transmigrated into such a world, accompanied by a peculiar system made for assassination.

Starting as a fallen noble? Struggling with hunger? Having to pay high taxes to the king? If you don’t pay enough, your head will be chopped off?Romon activates the Lord Simulator and begins with a village...[Your subjects discover a large amount of magic crystal ore while digging on the western side of your territory!][Your territory's culture improves, and your rapid-fire mage develops: Orbital Magic!][You successfully expand your territory and discover an underground labyrinth city on the new land!][You annex the land and gain a new title: Duke of Thune!][The king passes away, war breaks out, and you decide: to annex all lords and establish a new kingdom!]Romon: “Annexing the world is for better simulation, leading the world to ascend efficiently—how can you call it personal ambition?”

His muscles screamed, his body begged for rest, his mind ordered him to stop. But Bakugo couldn't. Not while Izuku hadn't arrived. So, he pushed forward. Every explosion, every strike, every movement was pure determination, a reflection of his unwavering will to win.For a moment, he felt beyond himself. Fast. Precise. Almost invincible.And then, in the blink of an eye, everything changed. The battlefield vanished, and the pain ceased.It was in that moment that Katsuki Bakugo understood... he had died.Disclaimer: I do not own any of the characters, images or songs featured in this fic. Additionally, I do not claim ownership of any products or properties mentioned in this novel. This work is entirely fanfic.