Netherborne [An OP Monster Isekai] - Chapter 5. Humans Are Pets

Kisha Aldens is a normal office worker with average earnings, not until she suddenly sees a system countdown in front of her. Her mind suddenly received a prompt warning about the apocalypse and urged her to integrate with the system to assist her with her survival.“Have I overworked myself again?” She thought while pinching the bridge of her nose. She blinked a few more times but the system interface is still there.Little did she know that this system would be her last lifeline in the upcoming apocalypse where human morals would be the lowest, trust is only a word and betrayal could happen in the blink of an eye.A naive person like her had to learn her lesson the hard way on how to survive and navigate in the zombie-infested world. And the worst part, she had to die 99 times to harden her heart and learn how to read the human heart. How will her 100th time be different from the previous lives, will she survive this time?And will survival be her only problem in the heart of the Apocalypse? No, there was a deeper scheme in play which she has to uncover moving forward.

In the age of the Warring States, the world is at war!

At this moment, a great empire is about to be established, and at this moment, this empire is at stake.

In this vast world, Young Master Qin shouted loudly, “I want this great Qin Wanshi–!”

- Description from novelbuddy

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.

5 years after the world changed, the final boss appeared.

The top five players in the world, including Specter Seo Jun-ho, finally defeated the Frost Queen…

But they fell into a deep slumber.

25 years passed.

“A second floor? It didn’t end when the Frost Queen died?

Specter awakes from his slumber.