Jungho is bullied to the point of self-harm, until one day, his prayers are answered by Mephistopheles, the archdevil. Mephisto offers Jungho magical powers that would allow him to take revenge on his bullies, and in return, asks for his soul. It's an easy choice for Jungho, who thinks nothing can be worse than the living hell that is his life. But what he doesn't know is that there are greater forces at work, and that he is but a pawn in a much larger game played by angels, demons, and exorcists.

In the novel "The Emperor and The Saintess," the male lead and heroine were able to defeat the cursed dragons and the demons, as well as the final boss of the story, with their beautiful love.

"...Haha. I'd rather die now, so I can go in peace."

Rather than having a brilliant future and being hailed as a genius mage, I just want a secure future where I can have a comfortable retirement...
That's what I wish, but when this world comes to an end, I'm the final boss.

Please, just let me live....
However,

"Wait, isn't this the male lead, Siegren?"
"Why is he here?"

Siegren, the heroic male lead who will save the world, is dying right in front of my eyes?

The male lead whose mind and body were all tattered from rolling around in the battlefield.

"Siegren, I'm sure you'll have many things to do in the future."
"I promise to help you achieve that."

When I saw Siegren's wounds, I made a promise.

This person, who suffered because of the lines I wrote. I promise to bring him happiness, a brilliant future, and a comfortable life.

Chakuro is the 14-year-old archivist of the Mud Whale, a nigh-utopian island that floats across the surface of an endless sea of sand. Nine in ten of the inhabitants of the Mud Whale have been blessed and cursed with the ability to use saimia, special powers that doom them to an early death.
Chakuro and his friends have stumbled across other islands, but they have never met, seen, or even heard of a human who wasn't from their own. One day, Chakuro visits an island as large as the Mud Whale and meets a girl who will change his destiny.

Note: Nominated for the Tezuka Osamu Cultural Prize in 2017.

In Tulle, a small county threatened by invasion, Freja lives in a small house by the countryside. Aaron and Alexis, two knights who left the kingdom three years before, return, and slowly the gear of fate begins to turn for Freja.

Meet Sefiria. She may be just a baby now, but she holds a dangerous secret — she has memories of her previous life as a Japanese salarywoman. Anyway, yadda yadda yadda, she died, got isekai’d, bada bing bada boom.

Now for the meat and potatoes of things. After experiencing the hell of living in such a rigid society like Japan beforehand, Sefiria wants to avoid making that same mistake in her second life. That’s when she remembered a famous saying back in her previous life:

“At ten years old, you can be a prodigy. At fifteen years old, you can be a genius. At twenty years old, you’ll just be a normal person.”

While the new world she was born in considers adulthood to start at the age of 15, Sefiria has a repository of knowledge from her old life to help back her up. Can she become a prodigy at an early age, revolutionize her world, and ensure herself a slow life that any Japanese reader would love to self-insert into?

I am a sickly person who vomits blood whenever I get stressed. Deon Hart. However, at the same time as Honorary Count Hart, who is somehow misunderstood as strong and feared by everyone in the Empire, In the demon realm, he became the commander of the 0th Corps, the most trusted by the demon king... Yes?! me? I'm not that kind of person?!

Lerew lives in a small fishing village on the coast, and trades with a young boy called a witch for medicine for his father. But one day, while attempting to fish in a dangerous area, Lerew is thrown overboard and attacked by sharks. However, even with his body mangled beyond recognition, he still doesn't wish to die…

A story about a little summoner girl that accidentally summons a shark from another world as her pet that has all of the powers seen in shark movies in the modern world.

In order to receive love from her father, Keira tried her hardest to live the life of a perfect, submissive daughter. However one day, Cosette appears claiming to be his real daughter and Kiera is executed under the assumption that she is a fake.

In the last moments of her life, Cosette whispers to Kiera “Truthfully, you were the real one.”

Kiera, recalling those words, returns to the past. Although revenge is important, what does it matter who is fake and who is real? Now that I have been given a life again, I will live it freely for myself! A coming age of romance of a cute female protagonist who has never made friends.

From Esthétique:

Arianrhod is a young girl from an island called Erin. She is different from all the other kids her age. All the others in the tribe have blond hair while Arian is the only one with black hair and because of this she was bullied many times. One day a traveler in silver clothing came to Erin and “named” Arian. To be named is very important because it reveals one's true self. After that the Master Drisu takes Arian in as his disciple because she was “named” by the stranger. Balor is the evil leader of Death Valley and one night he murdered all the people in Arian's tribe, and she swears to get vengeance on Balor.

I want an S-Rank skill too! I want it so badly, I could die for it!

[You have awakened an S-Rank skill.] [But it only works when you die.]

HUH!? WHAT’S THE POINT OF GETTING ONE IF I DIE !?

1st Trailer: https://www.youtube.com/watch?v=Sz51IU05F88

The greatest warrior of the Boulder Axe Tribe, Urich.
He accomplished what others in his tribe could not, and went beyond the ‘Sky Mountain Range’.

What he saw beyond the mountains was,

Different clothing being worn, different languages being spoken,
and unfamiliar people in iron-clad armor.

“So, the realm past the mountains wasn’t just a spirit world for the dead!”

An uncharted world, and the one who faces it,

Barbarian Urich is headed towards the civilized world!

Strange things are happening all over town, and Amano Kouichi's having nightmares again. Several clans are spurred into action as the past gradually resurfaces, while Kouchi and his obsessively devoted younger brother Jun keep having inexplicable encounters that those around them seem to know more about than they're letting on.

What, exactly, is being set into motion, and how do the Amano brothers fit into the picture?

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.

“Please, Hilise. Please die in place of Gabrielle.”

My always dignified brother begged me to die in place of our stepsister, whom we don’t even share a drop of blood with.

“For the first and last time, I ask you this.”

I’ve always been miserable, and there is no exception this time. It was the seventh time that I was betrayed and killed, and finally I was completely free of lingering feelings.

“I’m glad that you’re a scumbag until the end.”

I won’t be swayed by love anymore. Now it is my turn to abandon them first.

In the world where only the aristocrats have the power to fight the monster - mana. A youth named Kufa is dispatched as a tutor to find Mareida’s talent, a nuisance girl born in a duke’s family. If she is not talented, assassinate her. - that, is the dark side of his task.

Tang Sect, the most famous martial arts sect of all. By stealing its most secret teachings to fulfill his dreams, Tang San committed an unforgivable crime. With his ambition attained, he hands his legacy to the sect and throws himself from the fearsome “Hell’s Peak.” But he could have never imagined that this would take him to another world, one without martial arts and grudges. A land where only the mystical souls of battle lay. The continent of Douro. How will Tang San survive in this unknown environment? With a new road to follow, a new legend begins…

You may also like:
+ Douluo Dalu II
+ Douluo Dalu III
+ Wu Dong Qian Kun

[From the author of Return of the Frozen Player:]

“The reason why he does quests like that isn’t because he’s kind but because he’s a sucker.”

Kai looked back at the people talking behind him from a distance.

‘I’m a sucker?! Is it really wrong for me to help those in need?’

[You helped an NPC in trouble.]
[Your kindness stat has increased by 1.]

You’re rewarded when you do good deeds?

A never-before-seen Priest on a whole ‘nother level has appeared!!

Accel Granz, the strongest dragon knight of them all has switched his job to become a beginner carrier. Relieved that he can finally take off his legendary dragon knight's helmet and escape the responsibilities of an elite S-class worker, Accel eagerly starts his new, low-class job!

Listen up folks! I’m living my life with the demon queen!