Sword Art Online - Vol 4 Chapter 6

“On that day, Zach Harper died-” Or at least that was how it was supposed to be. I died. But there was good news, and bad news. The good news; I was reincarnated! Transmigrated into the World of Aethoria! Holy fuck, miracles do happen! But the bad news was, “Huh? What’s this?” ... [DING!] A New Quest has been issued:- Type:- SURVIVAL Name:- Quest To Becoming Stronger: Description: The {Great Calamity} is coming...Get stronger and survive. Duration-: ... Reward:- ... Penalty:- Death, ??? ] ... I had to survive.

Zhou Shiguang realized that everything she owns stemmed from a misunderstanding. That day an incident occurred and changed her fate. Now, she has nothing. Facing continuous harassment from her adoptive parents and Zhou family’s true heiress, Shiguang feels like she’s at a dead end.

In her desperation, she clings to Meng Yungui, the third heir of the Meng family. But this heir is definitely not an easy man to please. He may be rich and powerful but he’s got an awful personality. And yet Shiguang decides to persevere. She walks on thin ice with Meng family and every step must be taken with caution.

During this time, her career as an aspiring actress also begins to grow rapidly. From extras to lead roles, her experiences slowly extinguish her innocence and kindness, hardening her heart. And seeing this change makes Yungui gradually fall for her…

- Description from Novelupdates

Kain, a young teenager, accidentally lost in a Dungeon and awakened a special system. A system that allows him to continuously return to level 0, using his level to add and increase his skill points. From there, Kain began his journey to find the truth of this world, and when he took off that mask, what he saw was...

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.