Jeong Tae-ui, who considers himself ordinary, is a former soldier and the younger brother of the genius Jeong Jae-ui. His life begins to take an... more>> unexpected turn when he starts working for the United Nations Human Resources Development Organization (UNHRDO) for six months, at the not-so-subtle insistence of his biological father and uncle, Jeong Chang-in. His life becomes intertwined with that of Ilay Riegrow, a crazy guy with pretty hands. This leads him down a path he had never considered before. This story involves modern setting, battle romance, professional work, jealousy, foreigners, serious setting, incidents, a cold-blooded ML, a strong ML, an obsessive ML, a beautiful ML, a crazy ML, a black-bellied/strategic ML, a chaebol ML, a scum ML. <<less

The young boy Felix, who admires the Kingdom’s Knights, is suddenly on a certain day set up as the Kingdom’s crown prince, unanticipating that he would live a life immersed in s*x. There is a queen who is also a mother, there are maids, and an ex-boss female knight, but other cougars approach! The innocent boy’s reasoning is on the brink of destruction.... more>>

With over 50 books at this point, the Harem Series is by far the longest 18+ LN series out there. Most of the novels aren’t directly connected, but they all take place in the same fantasy world.

For now, let’s take a look at very first entry in the series: Harem Castle (ハーレムキャッスル). <<less

[Undead] Noh Eunha.... more>>

After losing his family and closing off his heart, he just wanted to kill the monsters he loathed.

I regressed before my life came to an end in the deepest part of the [Abyss Dungeon] that was impossible for mankind to raid.

Since I’ve been reborn as a baby, let’s make this life different.

I will do anything for the sake of my happiness.

I’ll kill in order to live, and I’ll do my best to survive.

Even if I have to walk a th**ny road by myself without anyone acknowledging me.

This life, I will definitely— <<less

A class of students is summoned to a different world.... more>>

They are asked to work for the world as heroes, and they decide to become hero candidates as desired. The candidates are elated to receive a special blessing. However, in a world where talent is everything, they soon come to realize the disparity. This creates friction among the students, leading to tragedy.

The world allows the candidates to repeat their foolish acts without knowing the truth about being a hero. The result is a single disaster. What awaits at the end of the war caused by the existence that denies the heroes and the world is…… <<less

Power and profit, entwined in an endless struggle. Desire and reason, in a love-hate relationship. The flames of war rise in the distance, banners fluttering... more>> in the wind, the sound of horns blowing spiritedly, swords clashing to compose a magnificent symphony. I hold the scepter high and stand before the divine. Truth crowns me and all nations prostrate under my feet. Who am I, you ask? My name is Rain! <<less

Lionel, who had been kicked out of the same clan twice, was visiting the adventurer’s guild in despair.... more>>

Being fired twice is indeed a bit unusual.

I understand. My meddlesome nature is causing trouble.

I might not be cut out to be an adventurer. Just when I was thinking about quitting, I met some beautiful girls in trouble.

The three close friends who became adventurers were in danger of being expelled because they had fallen behind in their contributions to the guild.

Lionel, who offered to help, was liked by the girls and ended up becoming the clan leader in an unexpected turn of events.

And then, the former clan leader comes to him, who is getting along well surrounded by beautiful girls.

He says, “We can’t do it without you, please come back.”

No, it’s impossible.

I’ve really had enough.

I don’t care anymore.

This is a story about a rare fatherly strategist who aims to become a prestigious clan while taking care of immature girls. <<less

To rebuild death god's glory, was our obligation!... more>>

At the start of the story, he and his zanpakuto had to fight for his own territory!

The Lord of Hell, Mephisto?

Playing with people's hearts, you might need to learn more from me!

Necromancer?

Let me test the might of Ryūjin Jakka!

Iron Man, Tony Stark?

Come, come, it just happened that I am in need of technical support in the Technological Development Department!

...

Lod, who inherited the will of Soul King, crossed into Marvel World and decided to become the biggest behind-the-scenes manipulator!

When Lod ruled the three major organizations of the Wandenreich, Las Noches, and Seireitei, and looking at the entire universe, he could not help but sigh with emotion: In fact, at the beginning, I just wanted to live! <<less

Turbulent times.... more>>

In a world situation where fierce battles break out at any time,

There lived Nemia, a petit innocent commoner.

Nemia is destined to face the gun of the enemy,

While running away from him, she is captured by Anton, who calls himself a ‘hero’, and is used as a tool to lure the enemy’s giants.

Nemia, who doesn’t even know she is being used.

And Noel, the enchanting enemy who yearns for her most ardently.

“I’m worried about you. Aren’t you trying not to want anything, or maybe you just don’t know what you want? Or is it that you’re trying not to want it?”

The moment she realises that everything about him was a deception for his grand goal,

She cannot help but feel intense hatred towards him.

As deeply as it was etched in her heart, down to her very bones.

“Nemia, do you want to run away from me? Then try running away.”

Noel looked at himself reflected in the clear eyes and spoke as if chewing on something.

“I will destroy all of your world. I will make you crawl to me yourself.”

Only after losing does he realise…

‘I yearn for the you of yesterday.

I eagerly await the you of tomorrow.

Every night passing without you torments me.’

* * *

“I feel like hating you to death.”

It took her a long time to speak, and she saw him for the first time that day.

“I want to die too. I want to kill the part of me that loves you.”

If only I didn’t know you, I wish I didn’t know you. <<less

Seventeen year old Xiong Xiruo was a troublesome student, with daydreams of becoming a famous comic book artist, when she falls asleep during a solar... more>> eclipse and suddenly finds herself flung through the sands of time all the way back in the Tang Dynasty. <<less

[System + Invincible + Struggle for Hegemony + Myriad Worlds + Summoning]
Li Luo transmigrated to another world and became the crown prince of Bei Liang.... more>>

Right at the time when the Three Kings were rebelling, the world was in great turmoil.

The King of Bei Liang said: “My son! When are you going to raise an army and rebel?!”

“Father, I will immediately lead three hundred thousand troops of Bei Liang to conquer lands for you…”

Li Luo: “…”

“Ding! Myriad Worlds Summoning System loading complete…”

Li Luo: “What did you say, father? Rebellion?! How could our Li family ever rebel when we are so loyal to Li Yang!”

“We are the righteous teachers who save the common people!”

The King of Bei Liang: “Oh right, right… My good son is correct!”

“We are the righteous teachers!”

…

Thereafter, relying on the system and an army of righteous teachers, Li Luo established the Great Xia Divine Dynasty…

Li Luo: “What? You say you are very strong?”

“Monkey King, beat him up!”

“What? You say you are the Greatest Power?”

“Sorry, Pangu the Great God, slice him in half…”

…

Many years later, a rule circulated throughout the Myriad Worlds:

Beyond here lies Great Xia, where gods and ghosts dare not tread! <<less

"Listen up! From now on, I'm going to transform you from a helpless and disgraceful duke's daughter into a ruthless killing machine, ready to mercilessly take down our enemies!"... more>>

It all started on that summer day.

Alicia, the daughter of a duke, had her engagement suddenly broken by the second prince, leaving her in a dire situation that could lead to her family's downfall.

During these tough times, Alicia's servant, Abel, suddenly awakens with the memories of being a U.S. Marine Corps member. To change the impending future of destruction, Abel takes Alicia and executes a strategic retreat from their school. He's determined to transform Alicia, who's feeling down, into a full-fledged Marine!

"Put your hair in a bun, and add 'sir' at the beginning and end of your sentences!"

"What do you mean, sir!?"

After going through basic training, Alicia, who still looks like a noble lady, has become a Marine at heart. But now, her transformation leads her down an unexpected path.

In her journey, she encounters something she must protect and faces unforeseen challenges, all in pursuit of seizing her own future. What lies ahead for Alicia and the U.S. Marine Corps summoned to this different world?

To the otherworld, this is the United States Marine Corps. <<less

When humans are being swept away by demon lords, there is one man who hunted down demon lords to satisfy his greed. He was the... more>> invincible hero without blood or tears <<less

The God of Ninja has Arrived in the Marvel Universe, an American Comic!
Roger is a young man who’s transmigrated from the Ninja World of... more>> Naruto unto the Superhero World of Marvel. Armed with the Ninja System from the Ninja World, Roger is ready to become the God of Ninja in the Marvel Universe!. <<less

He Xingzhou learned that Zerg was attacking and that the solar system was at stake. To fight apocalyptic disasters, he stepped forward to warn the world!... more>>

When He Xingzhou built nuclear reactors throughout the network and activated the Zerg gene, the whole country was shaken!

Therefore, under his plan, the whole nation started building steel cities, giant mecha, spacecraft, space warship...

He Xingzhou: "Set a small goal and build a Dyson ball around the sun first."

[Black Technology] + [Industrial Improvement] + [Interstellar Exploration] + [Dyson Ball Project] + [Star] and many other elements, the latest sci-fi masterpiece of the Fire Hole! <<less

Within the long decaying empire, in the northern borders where the public order has been crumbling, beasts of darkness threaten the livelihood of the people.... more>> Phineas, a young boy who works as a miller, is forced to leave with his family, away from the windmill, to take refuge in a town ruled by the brigands who were once the army. This is the story of a boy who goes on a journey with the support of his family and his friends to find a quiet place they can call home. <<less

Nagato Kazuya, a "Military Nerd" high school student who gains the ability to summon modern-day weapons and soldiers, when he reincarnated into another world.... more>>

Together with his summoned yandere military advisor, soldiers and modern-day weapons, they will conquer the land, seas and skies of a fantasy world.

These are the unparalleled existences of his yandere harem and their stories of combat. <<less

He is an Actor.
He is a Conspirator.
He is a God.... more>>

Uehara Naraku transmigrated into the Anime World with a single purpose of becoming the biggest boss in the world. Watch as he travels different worlds and turns them upside down using his acting skill and conspiracy behind everyone’s back. <<less

Yoon Sung-il, a Korean young man.... more>>

The pleasant day after discharge.

“Lieutenant?”

When I opened my eyes, I was told I was a soldier again.

And not just soldier.

The horrors of the war that came before him.

For yourself and for your people.

The coming era of madness, World War II must be prevented.

To do that, first, let’s get rid of the Nazis.

I don’t need Nazis in my Germany. <<less

Marin found himself in the body of a young wandering knight who was driven out of the house. Forced into the 15th Century, he was armed with only a horse, a breastplate, and a lance.... more>>

He was soon caught up in the era of German mercenaries established by Maximilian I. And so he decided to become a mercenary. Relying on his half-baked internet knowledge, he will establish his own mercenary force. Waging war with French knights and Swiss armies, even Emperors and Kings must beg of him. <<less

The story is set at the end of the Second Scientific War.... more>>

Shaw McClear, a 12-year-old boy dwelling in the Far East Igles slums, decides to become a child soldier alongside his childhood friend, Solkes, to provide for his younger siblings.

This is the story of the young boys who survived the harsh battlefield. <<less

The story is written in the point of view of three mercenaries, describing a vast continent, where around ten countries fight in an incomparable great war. At the end, the war extends to even the heavenly domain.... more>>

Fifteen countries with different religions and cultures spreading over 21000 years of history with three main protagonists, fourteen main side characters, and hundreds of other people, dragons, gods, and devils.

Follow the lives of three no-name mercenaries as they create a magnificent legend. <<less

The son of a rich man is a cold and elegant young master, one day he met a mysterious small beggar. As if there were some strange power, they unexpectedly joined the army, unexpectedly began dating(?), unexpectedly picked up a small prince, and were unexpectedly tossed into the midst of an imperial power struggle.... more>>

Whose son is Wei Lin? How did he become a beggar? Why are Xue Wei’s two generals in discord? Why was the favored concubine’s son schemed against? And why was he often humiliated? Who confessed first? Jiang Ye or Wei Lin?

Are these the result of a decayed morality or the lost in humanity? <<less

Humans collectively arrived in a foreign land devoid of civilization as their planet underwent drastic changes in both time and space. With the disappearance of civilization and the collapse of society, it didn’t matter whether you were once a high-ranking rich man whom thousands of people looked up to or a magnificent and glamorous model actress. In this dark and bloody world, killing and becoming stronger is the only way to survive, while elimination and ens*avement await the weak.... more>>

With five years’ worth of memories going all the way back to the disaster’s day, can Xiao Yu aspire to the pinnacle throne with his meager strength? In a world where monsters ran rampant, Could he constantly maintain his ideals and principles while protecting everyone around him? <<less

I have been in this strange land for too long. Now the memories of my hometown have faded, only to be replaced with useless memories.
This damn world was once a game. I don’t know if the game became a reality or if I was just pretending this world to be a game, but it’s either one of that.... more>>

In the game that became reality, no one could believe it,
In order to survive, I had no choice but to become a miscellaneous character.

As the water got colder, Ivan’s mood also got colder.
That day, Ivan used the cost of one robber’s life for lodging and bathing. <<less

Our protagonist is a college student who enjoys playing as the evil-aligned faction Arachnea in her favorite real-time strategy game. One day, she finds herself in a world similar to the one in the game; additionally, her body is now that of a fourteen-year-old girl. ... more>>

While things are a bit different from how they were in the game, one element has remained the same: she is the leader of the Arachnea. The insects under her control, collectively known as the Swarm, praise her and implore her to lead them to victory. In order to survive, she raises her Swarm and forms friendly relations with the elves of the neighboring forest.

But after a s*aver traveling through the forest mu*ders one of her Swarm and the nearby kingdom’s knights burn down the elven village and massacre its people, she prepares to launch her counterattacks in the name of revenge. However, revenge is merely a pretense for attacking the countries of this world. Her command is masterful and severe, as one who has played the game in real life… <<less