Rebirth: A Cat with a System - Chapter 1 Light Can Not Exist Without Darkness!

Zhou Youlin, a famous ice queen of the special forces. During an accident in her mission, she was betrayed by her squad mates and was shot twice. She died on the spot. When she woke up again, she became the useless madam of a rice family and was a resentful wife who was neglected by her husband. Her son, too, was neglected.“If I’m not mistaken, we’re already divorced. You’re currently invading my home, my dear ex.” Zhao Youlin raised her chin and sat at the end of the couch with her legs folded. She looked prideful.Mu Tingfeng was expressionless. “We can get married again.”Zhou Youlin quirked her eyebrows. Then, she swung her hand, and a large number of handsome men’s pictures were spread on the table.“Baby, be a good boy and choose someone you like to be your stepdaddy, okay?”Mu Tingfeng’s expression… turned dark.

This world is Heaven.

Because this world has everything you dream of, everything you wish for.

This world is Hell.

Because everyone in this world are parts of a never-ending massacre.

Are you fighting to survive, or fighting to come home?

- Description from Novelupdates

The human Race is at war with the Vicious Dalki and when they needed help more than ever, THEY started to come forward.

Humans who had hidden in the shadows for hundreds of years, people with abilities.

Some chose to share their knowledge to the rest of the world in hopes of winning the war, while others kept their abilities to themselves.

Quinn had lost everything to the war, his home, his family and the only thing he had inherited was a crummy old book that he couldn’t even open.

But when the book had finally opened, Quinn was granted a system and his whole life was turned around.

He completed quest after quest and became more powerful, until one day the system gave him a quest he wasn’t sure he could complete.

"It is time to feed!"
"You must drink human blood within 24 hours"
"Your HP will continue to decrease until the task has been completed"

Humanity was living peacefully on Earth for millions and millions of years until the day unknown monsters from beyond space invaded them.

When humans were about to disappear, some people with abilities came out to the light and shared their knowledge and powers with the world, and together, they managed to push back the invaders during a terrible war that had lasted for years.

This war had created many orphans, and among them, Kye had lost everything, even his parents. And the only thing he received from their death was a pale-looking necklace.

However, once the necklace finally activated, a system was given to him, and his life changed completely.

The system gave him quests to do, and Kye complied. He was getting stronger every time he achieved them, until the day it gave him a weird quest.

[You have one day to kill the one who had sinned. If you do not kill, you will die.]