Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10 Nen ga Tattara Densetsu ni Natteita - Chapter 98 - Nia and the Bath-hating Luchila

“You call yourself a hero? After your greed killed my sister?”What would you do if all of your friends, everyone you ever loved besides your sister, died in front of you?What would you do if, because you were weak, everyone hated you and considered you a Wasted, someone who hurt humanity's chance to survive extinction?Adam continued fighting despite this abuse, because he still had 1 simple goal: even if he was nothing more than cannon fodder or wasted potential, he would keep his sister safe.But then, it wasn't the Kaiju or apocalypse that killed her. It was the Exalted, the strong, the heroes of society.The people he was supposed to praise were the ones who took his last hope in life away before killing Adam as well.So, when he regressed with a villain system that rewarded him for killing Exalted...[First Exalted killed!][Artifact: The Mantle has upgraded to level 2!]

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

Xia Yue feels her life is as melodramatically convoluted as a novel. The family that raised her for more than twenty years isn't truly hers, and she's merely a counterfeit rich girl.After confirming she's indeed not a child of the Xia family, she takes the initiative and moves out, making space for the real heiress.And then, she gets knocked out by an object in the courtyard of her new home, and ends up being bound to a system.This system has no sense of martial morality, even going as far as imposing tasks on her forcibly.But the system doesn't care about her complaints, constantly pestering her.Xia Yue is so annoyed, it's giving her a headache.So, she decides to get rid of the system.

After being fired from his job due to a baseless accusation and dying while trying to save a girl from a robber, Maximilian is reincarnated into a world where caped heroes and superpowered villains clash in the streets.Disillusioned by a life of injustice and unrewarded good deeds, he vows to live for his own satisfaction. Armed with the Greatest Villain System—a golden finger that promises to make him the most feared villain in history—Maximilian sets out to embrace his dark side.First Mission: Beat up innocents.An old, retired hero thanks him for preventing a terrorist attack.Second Mission: Destroy a hero monument.Maximilian ruined an unlucky villain career.Third Mission: Beat up a famous hero.A detective hero praises him for exposing a criminal’s crimes.System: “Maximilian, are you messing with me?”Maximilian: “I’m innocent!”Several heroes who think they’re privy to the truth: “Maximilian, you are the most selfless hero we’ve ever met!”Maximilian: “I’m a villain, you idiots!”As Maximilian struggles with his new life as a villain and tries to prove his villainy, he uncovers numerous conspiracies within the new world’s government.Will Maximilian be able to prove his villainy? Or will he be remembered as the greatest hero of all time!?