My Mother Has a System but Won't Use It - Chapter 43 Demon and a Butterfly’s flutter.

Zack “Kazz” Foreman once was a human from the earth when humans went through a dramatic change because of an event. This forced them to evolve into energy-based beings but was sucked into another dimension.

Forced to start living out lives on random worlds in a fractured dimension, Humanity is placed on the path of complete extinction.

This is controlled by a demon king at a place called The Center of Everything.

The Demons try to force Humanity's mark from every reality, so there are only demons, but the Demon King feeds from anger and pain. A constant tournament going at the center of everything to feed his hunger.

Kazz made it to that point once, but was tricked, refused entry to the tournament because he had offed a place one of the gods of the worlds.

Refusing to give up, Kazz goes back to the beginning to start again. To do this, Kazz must give up all of his memories to choke the flow of demons born fully grown from a pool of recycled souls.

This journey starts after he lives a solitary life trying to get stronger but not knowing why. The world Kazz is on is like our earth, but it was only a mimic of the earth we know.

Caught using steroids and about to give up and join the army, Kazz stumbles onto a cave in the ground. He is transported to a world filled with demons and monsters, and a human god named Hero is speaking in his head.

Hero, a person Kazz knew but was not friends with, followed him to help but was lost from him. Upon meeting Kazz, Hero offers him the Hero System to help him advance in this new world.

Kazz refuses after trying to get to the top and failing to use the easy route. This starts a series of frustrating events for both Heroes, but they learn to work as a team over time.

Kazz will meet misbegotten monster girls and demons that he agrees to take care of in this world, using the Ranching System. It only gives bonuses to the girls and skills to help raise them, but he will also learn to control the Elements with Shamanic abilities.

Seventeen-year-old Aiden Rivera’s life changes forever on a dark, quiet night when he's attacked while returning from a bookstore. Just when all hope seems lost, a mysterious stranger emerges from the shadows—swift, powerful, and deadly. He saves Aiden and disappears just as quickly into the night. That stranger's name? Aiden doesn’t know. But from that moment, Aiden can’t stop thinking about him.Determined to find his silent guardian, Aiden scours the internet, describing every detail he remembers. To his shock, a face match reveals the stranger's name: Ryker Kane, heir to a powerful corporate empire… and a student at an elite, almost mythical academy. It’s not quite a high school, not quite a university—more like something in between. Something hidden.One of Ryker’s photos contains a strange symbol that leads Aiden to an encrypted link. It makes a bizarre demand: a drop of blood to apply. Aiden laughs at the absurdity of it—until curiosity wins. What could one drop of blood hurt?He sends it, expecting nothing.A week later, an ornate envelope arrives. He’s in.Eager to reunite with Ryker, Aiden travels to the secluded academy… only to step into a world straight out of a fantasy novel. Students with glowing eyes. Talking animals. Ethereal beings with pointed ears. Some even arrive through portals.Suddenly, Aiden isn’t just the new kid. He’s the only human in a school that isn’t meant for people like him. And all he can think is:What the hell did I just get myself into?

What got summoned was the world’s strongest sociopath.

Forty years ago, demons invaded the eastern continent. Coming from another realm, they hunted the humans, and people soon began to wage war with them. Before long, there were those among the humans who inherited the demons' abilities.Demon hunters are currently the most in-demand profession. Although the chance of dying during a raid was high, the hunters were mostly popular among the common people. If you have some demon blood in your body, then the path to the Hunter's Association is open to you.Year 2066, Seoul. The territory of the former city is divided into three parts. Green Zone, Orange Zone and Red Dangerous Zone. Although mostly ordinary people and workers lived in the green zone, there was a chance for demons to get into it. That's why demon hunters patrol the whole area, sacrificing themselves for the lives of people.The main character, Lee Ki-hyun, inherited 50% demon blood and became the world's first SSS-ranked demon hunter. He will have to go through the path of a demon and learn the truth about his parents to save humanity.