I’ll Be the Male Leads Sister-in-Law - Chapter 478

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

The Card Creator is a very ordinary profession. Simply put, the incumbent seals various kinds of abilities, illusions, images and so on in blank cards for convenience of use.

At the age of ten, Jiang Qi had black hair, shallow pupils, and a pale, delicate appearance. He often got injured, with blood flowing from his head. He was the son of a ‘notorious’ mu*derer in Chen Kong Alley, and people cursed him, saying that he had vile blood running in his veins. Except for Zhi Qi, no one paid him any attention.Zhi Qi often cried while bandaging his wounds, her voice soft as she asked, “Why do you always get hurt? Does it hurt a lot?”Jiang Qi smiled, the cold and rebellious boy appearing particularly obedient in front of her: “If you comfort me, it won’t hurt anymore.”By the time he reached high school, he had become the most famous madman, cold and ruthless in all Lin Lan. Zhi Qi remembered Jiang Qi once saying that most of his life was lived like a dog. He would rather have everyone fear him than let anyone bully him.Even though everyone feared him, Zhi Qi was not afraid.Unfortunate people spend their entire lives healing from childhood, and Zhi Qi wanted to heal Jiang Qi with her own efforts. She would make a promise to him on the rooftop of the school, where he brought her to the top: “Jiang Qi, take care. When I reach the legal age, I can marry you.”The boy’s response was a faint smile, his gaze clear and clean like the stars in the sky, filled with rare yearning for the future.Zhi Qi didn’t know that a simple promise saved Jiang Qi’s life, pulling him out of hell.Unfortunately, ‘redemption’ has an expiration date. When the clock strikes twelve for Cinderella, he remains the sick dog with nothing.A crazy boy, and all the sweet names in his obscure life are called ‘Zhi Qi’.

Leon was once an ordinary man—until he died saving children and woke up in a new world as the last prince of the demon race. But his awakening comes with a cruel truth: the war is already over.The Demon King is dead. The once-mighty demon empire lies in ruins. And now, Leon stands amidst the ashes, surrounded by a handful of survivors teetering on the brink of extinction.Crowned Demon King by default, he holds the title—but there is no kingdom left to rule. The few remaining demons are barely surviving, hunted and outnumbered. Worse still, Leon, who once enjoyed the luxuries of modern technology, must now navigate a harsh world stuck in the Middle Ages.Can he pull the demon race out of their misery? Can he reclaim the power they once held? Or will history remember him as the last king of a fallen race?Follow Leon on his journey to rebuild, conquer, and defy fate itself.