Jaegun Ha is an unsuccessful novelist at 27 years old with nothing to show for himself. That is until he discovers a mysterious box of items and a cat in a graveyard! Now Jaegun is able to channel the extraordinary writing abilities of a dead writer named Gunwoo Seo, and Jaegun’s career is propelled to celebrity status. But with the perks of success come new challenges...

From Sunflower Scans:

A man whose time has stopped, and a woman who flows like a river.
Story about strife that comes and goes in the past and in the present.

Sungbin was ordinary, but after the death of his sister, he takes on the moniker of 'Neon Mask'. As Neon Mask, he becomes a psycho streamer and wages war on all gangs.

"A debt of blood must be paid back in blood."
"To avenge my sister, I will create an ocean of blood."

Jieum Ban has an extraordinary ability: she can remember the memories of all her past lives. After her previous life is cut short by a tragic accident, she sets out to reconnect with the people of her past life in her current one. Will memories of her 18th life sabotage romance in her 19th? Or will love endure across different lives?

The current generation of humans are often said to be called descendants of Adam and Eve. However, there lies a small number of a different type of humans in this world. Children of the one who is called to be Adam's first Eve - Lilith. Her children look completely the same as Eve's descendants, and the few who live among us... are still somewhere in the world.

It’s been many years since I’ve bloodied my hands for the United Empire and its emperor, Ragnar. I wanted to return to my hometown and live a quiet life as if to repent for my sins.

However,

“You are a great 8th class magician who is able to overthrow me and the empire at any time”

“How could I let a monster like you stay alive?”

After being betrayed on the verge of death by Ragnar, who was my friend as well as my Emperor, He stabbed my heart with a dagger that had time magic applied to it.

“The redemption I want is to put everything back to its place.”

The beautiful goddess of fortune hidden by a rich man came into the life of the poor and unlucky guy....

With each of their lives on the line, the desperate battle for revenge begins!

The fourth prince Jeokyeon chose to hide being a woman and live as a man. Then later competes against nineteen other princes for the throne to become an immortal god. But amidst the sharp confrontations, an ancient conspiracy slowly unveils, and the fourth prince attracts more and more attention as his hidden talent comes to light.This is an epic of love and hate that blooms around a mystic prince.

The Earth has a message for all of its inhabitants: the world is ending in 42 days, and monsters will bring about the apocalypse. Game studio employee Jeong-u Park is selected by the Earth as someone who can save the planet, but he must first survive in a world where people are now killing each other for power. He also must compete with other saviors to retain his planet-saving abilities. As doomsday approaches, can Jeong-u become the savior the world needs?

While an island half-disappearing from the face of the earth, a mysterious organization is sending out invitations for a tournament to every skilled fighter in the world. If you win you can have ANYTHING you want.
They're recruiting only the best to fight the best and claim the title of The God of High School!

Lee Kyung Ho's mind was engulfed with ending his life due to bullying and the loss of his mother. He attempts to, but is saved. His determination to commit suicide somehow entices Sierra, a grim reaper who later offers him a contract. This contract blesses him with the ability to borrow the powers of the dead in their previous life in return of sacrificing years from his lifespan. For the sake of attaining what he wishes for, he eventually agrees to it.

There are people in the world that thinks they are the ‘chosen’ of the heavens.
It’s been decades since chaos and strife among heroes ensued because of those people.
A certain disciple who has six masters has been entrusted with the fate of the central plains.
“If you guys are the heavens, then I’m the sword that’ll pierce the heavens.”
That was what he’d resolved to do… No one mentioned he was a fatty, though!
In any case, now that he’s here, he’ll need to save the… world… Damn it, lose some weight first.

The protagonist, subjected to school violence, falls from the rooftop. After barely waking up from six months of unconsciousness, he refuses the help of his old childhood friend and chooses to transfer. He, who started martial arts by chance, is already growing enough to be ahead of the championship final and wants to show her changed appearance, but he hears the news that she was murdered by the bullies the day after he transferred. After reaching the finals in shock, he surprisingly takes a time warp on the first day of unconsciousness and tries to save her by getting a 30-day opportunity.

I don't want to be the empress! Serena, the daughter of a noble is full of intelligence, status and appearance. But the truth is that she said that in her past life she was aware of the tragedies that could occur in the future. It will be that Serena can escape from this tragedy!
Official Thai Translation: https://www.comico.in.th/titles/1495
Official Japanese Translation: https://piccoma.com/web/product/14908
Official French Translation: https://delitoon.com/webtoon/imperatrice-imperatrice
Official Indonesian Translation: https://kakaopage.co.id/content/Empress-Empress/3314

Even the oracle, the one who is meant to locate the Dalai Lama's reincarnation, could not foresee that the troublemaker Dang would be the one taking on the crucial mission. However, Dang's power posses a hidden; his true might is shown when his chi explodes due to sexual impulse and turns him into a monster! Not knowing this, Dang enters Mouhyuk High; following the oracle's orders. But his class is a special class meant for "Trash", filled with a bunch of weirdoes, and his biggest enemy, the "Coke Bottle" shaped woman! Can he complete his mission?

Repent, or face hell on Earth! In Seoul, apparitions have started appearing before those who have done wrong to notify them of when they will die. A new religious group explains these happenings as God condemning people to make them live more righteously. Detective Jin is assigned to investigate the latest incident, just as his wife’s murderer is scheduled to be released from prison.

Suddenly, it is a supernatural phenomenon that humans cannot know whether it is a miracle or a curse. The hell that people make to deal with the unbearable reality.

In the fantastical medieval land of Aerok, magic is wielded by magicians and those wealthy enough to afford to purchase it. The merchant Zio Oh and his young assistant Bono sell magic scrolls, but their success (and safety) are not guaranteed...

The demon lord's daughter Yurisina was living a normal demon's life when she was summoned by a human who was about to die. Not just any human, but the Pedin kingdom's first princess Marianne. As Yurisina lives on in her body instead, Marianne requests that Yurisina takes revenge on the person who poisoned her.

The rich are strong and the poor are weak...
Yushin learns what it means to fight for what he believes in.