Jaku-chara Tomozaki-kun - Volume 1 Chapter 5 part1

One day, a door to another dimension opened all over the world.

“Channel”

At the same time as the channel opens, different races appear on Earth, and mankind awakens its magical talent.

But…? Yoon Min-joon, was able to use magic long before the channel opened.

The forced escape of a reclusive loner who was once the only wizard on Earth.

“It’s dangerous outside the house.”

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

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.

After signing the share transfer of the Bai company, Bai Weiwei who has a congenital heart disease got betrayed by her adopted sister she always loved along with her trusted bodyguard. Shocked, betrayed, and worried for her father made her unwilling to die, and her resentment actually let her bind with a quick transmigration system. Completing the task means that she will be able to increase the number of days she can live, and she will be able to get revenge on her white lotus sister and the unconscionable b*stard bodyguard. CEO, Emperor, General… Supreme Immortal? All of them turn to a love-sick waste who bowed before her skirt.

Just… why is this unlucky star of a wooden fiance trying so hard to chase her? Stop sucking my life force already! Our marriage is only for business! I want to break the engagement!

Ye Yuxuan: “I will never let go of you.”