The God of Sky & Earth - Chapter 1182:

Aaron, a wildlife biologist, became a military strategist right after a global war between nations began.He never wanted to participate in the war but he had to, because he wanted to continue his studies on endangered species the moment the war was over, but to his surprise, everyone in his unit were killed, including him, and the next thing he knew, Aaron woke up in the body of a young noble having a similar name to his.However, he also noticed he had awoken in a world different from Earth.In this world, demonic beasts ran rampart with only one thought in mind, causing them to feed on anyone they see, be it humans, elves or even magical beasts as well.During his first encounter with a magical beast, Aaron awakened a system which allowed him to bond with magical beasts and to obtain terrifying abilities from these bloodcurdling magical beasts, so he used his experience as a wildlife biologist to help make it easier for him to bond with these beasts.However, Aaron also noticed he could evolve these beasts if their loyalty towards him had reached a certain level, so he vowed in his heart to grow strong enough to protect those he cared about in this world with the hope of living a happy, peaceful life where he'll be able to focus fully on his passion as a wildlife biologist.

No family, no power, no inheritance — a thrice-lacking protagonist. Just how will the seed rise up from the mud?

- Description from Novelupdates

“Save the world? Yeah, that's gonna be a no from me.”Noah had it all. He was one of the youngest billionaires in the world, tall, handsome, and usually had his pick of women.Life was perfect... until he was summoned into another world to defeat the Demon Lord.Unfortunately for Camelot, Noah couldn't care less about being their hero. All he just wants to do is go home. But the ritual home demands blood, power, and sacrifice. And if the world must burn so he can leave it, so be it.With the power of the abyss running through his veins, the dark dragon marches forward.“Your fate is bound to this world, hero. No matter what you do, you shall save this land.”“We'll see about that.”