Start in DxD as Motohama: Leveling Up in Another World - Chapter 14: Unusual Situation (II)

The Heavenly Demon, Baek Jung-hyuk, woke up as the eldest son of the Dmitry family.

He was known as the fool of the Dmitry family. He was trampled on by the second son. What people thought of him didn’t matter.

The Heavenly Demon. No, Roman Dmitry, cannot live a normal life.

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

God rewards hard work, and there must be rewards for paying.

And no matter how hard you work, you will gain 100%!

So, for things like cultivating immortals, don’t you just need to have hands?

- Description from novelbuddy

their example, leading to continuous warfare! However, the aboriginal people of this otherworld who have been blinded by the aesthetics of violence! Rightnow! And in the future! Let me teach you what kind of mecha represents the romance of a man! Let me show you what kind of propulsion is the iron torrent! Let me instruct you what kind of weapon is the deterrence for peace (implied by “nuclear” here)! Let me! Teach you! What exactly is the air-to-ground cluster offensive and the all-round air, sea, and land strike!! Gentlemen! I, indeed, love war! But what I love even more is to stop war with war and bring about a prosperous future where the whole world is unified for thousands of generations! Unite all nations and subdue all races! When the whole world is united as one, it will last forever...