She has a strange affliction - If she does not get a man, she will die.

Qin Tian accidentally transmigrated into a sickly body, a body with broken Dantian that was unable to practice Qigong, in another world. Fortunately, God had mercy on him by giving him a level up system. Useless? That was him in the past. Not worrying about practicing Qigong, he was now able to kill Monsters to level up. Easy! Level up when killing Monsters; level up when killing people. An unbeatable sovereign of the clan in the eyes of other people, but in his eyes, he is a glittering big BOSS.... more>>

With this level up system, he will no longer encounter any bottlenecks during a breakthrough in cultivation like other geniuses; all he needs to do was kill as many monsters, clan heads, sovereigns, world experts … to have a better life.

Dedicating his life on a road to become an expert. <<less

[From the author of FFF-Class tra*shero:]... more>>

There has never been a hero like this before!

Is he a hero or an actual demon?

Kang Hansoo was summoned to this world with his classmates.

His classmates were amazed by this brand new world and the magic in it, but the only thing Hansoo wanted to do was quickly return home.

“Why would I give up my warm, comfortable house to have an adventure in this world…?

Even the goddess that summoned me said that if I wasn’t willing to, there was nothing she could do to force me and promised to return me to my original world.

She did teleport me, but…

When I opened my eyes, I was still in this world!

All of my friends were gone, and the only thing around me was monsters!!

A goddess tricked me…?

How do I get back home now…?

More than that, how do I survive here…?!“ <<less

From a caste based high school, bottom-tier Shinji Naomi is caught up in a summon of his class to a different world. However, as soon as they arrived the king said, “This guy is unnecessary because he only has clumsy skills ” and it is concluded that he is to be forced to administer the orphanage, which no one wants to do. Unfortunately for the orphanage his skills were cheat skills that cause the girls to cling to him.... more>>

In order to “defend” the girls that depend on him, he must operate the orphanage while overcoming the powerful people, authorities, and former classmates that surround him. <<less

Popular full-dive online RPG "World of Epilogue", commonly known as WoE.
One man puts his heart and soul into the game and creates a beautiful girl character named Shirayuki.
After that, in order to make her shine more cutely, she played while playing a human named "Shirayuki", but she lost her life due to an incident.... more>>

When she woke up, she was reincarnated in the form of Shirayuki, in the world of "WoE" a year before the main story began.
Having become the real thing from a counterfeit, she used her game knowledge while being involved in numerous incidents and started her activities to show the world how cute Shirayuki was once again. <<less

Oba Yashiro, the notorious con artist who made his name known throughout Japan.... more>>

His life burned out on the bad luck, and he was reborn in a big city where you can’t lie. In this world where liars are turned into frogs by the Spirit God who hates lies, Yashiro makes use of his silver tongue and the skills he cultivated as a con artist to rise up.

The story of a hero who was reborn in a different word, using his modern knowledge and quibble as weapons to help a big-breasted beautiful girl in rebuilding a destitute restaurant and improving the living environment of the bottommost district. <<less

Sun Hao traveled to a world of cultivating immortals. Unable to cultivate, he practices the guqin, chess, calligraphy, poetry, wine, and flower tea are all... more>> in the supreme realm. He didn't know: The pet on his farm was the Nine Heavens God Luan. The lotus in the pond is a peerless demon. The guard outside the door is the ruler of Thunder Tribulation. Later, he discovered: The swordsman who picked up his broken hatchet became the peerless generation of swordsman; the scholar who often listened to him to chant became the ancestor of Buddhism; the girl who came to learn to play the guqin with him became the supreme demon clan. ... Sun Hao sat on the throne of Heavenly Emperor, with a shocked expression on his face: Am I a Dao Ancestor? I take the heaven and the earth as the disc and all beings as my sons, and create a shocking situation? I do not know how? <<less

The story follows Su Yu, who mysteriously finds himself trapped in a poorly written urban harem novel. With the system dictating his actions, he must kill the male and female leads in order to gain ultimate power and become the ruler of the world.... more>>

Despite his best efforts in his previous five lives, the system always found a way to deny him his rightful place. Fed up with the system's endless games, Su Yu decides to abandon his mu*derous ways in his sixth life and instead embraces a life of luxury as a wealthy heir.

However, his peace is short-lived when he is unexpectedly kidnapped by the cold and aloof CEO, Gu Qingcheng, on the day of his rebirth. Little does Su Yu know, this is just the beginning of his tumultuous journey in this twisted world.

He soon finds himself faced with difficult choices, as he is presented with tempting offers from those who seek his power and those who want to be involve in his life. As Su Yu navigates this strange landscape, he must confront his past actions and decide what should he do with these out of the plot heroines.

[Note: This is a solid wish-fulfillment novel, not with serious plot-line.] <<less

Mikadono Shōgo, the son of an industrial magnate, has until the end of high school to find a girl he loves for marriage because of... more>> his late father's last will. For that, he transfers into Miryuuin Academy. Among the students there is a girl who says that she is Shōgo's separated-at-birth sister, but she does not inform him of her identity. She and some other girls then try to get close to him. <<less

Lackadaisical and rebellious in nature, Erwin Friar, a young noble, whiles away his days in the company of seductive hostesses and his equally lackadaisical friends. Little did he know that his life was about to take a drastic turn after a book by the name of “Laws of Space and Time” was bestowed upon him, seemingly by chance. ... more>>

Soon, Erwin finds himself embroiled in the center of a series of sinister plots that tear his life apart by the seams. Armed with the mysterious copy of “Laws of Space and Time” and a newfound sense of purpose, Erwin sets off on a journey to uncover the truth behind his own past and space-time magic itself. <<less

A guy slips into another world and is picked up by a young mistress. All he wants is to live happily with her but fate... more>> has more in store for him. <<less

Horus, the fifth prince of the Magref Empire, is considered useless because he can only use the magic of the sand attribute to manipulate the sand, and is banished from the empire.... more>>

Thrown into the scorching desert, Horus demonstrates his sand magic and builds a huge sand castle.

Realizing that what seemed to be hell for others was heaven for him, he decided to live here leisurely.

However, through the battle with the demons, friends of various races gather and gradually form a “kingdom” with Horus as the king. <<less

The timid main character (male) is sent to a different world where only women can use magic.... more>>

He’s not good at fighting, but he will develop a deserted island with the given creative magic! <<less

In a world where everyone has the ability to use magic, Kazuki Shikimori -a descendant of the world's greatest magicians is now being sought after... more>> by girls -for his genes!! Can he stay alive? Because these girls will seek his help and cause his limited magic to drop to zero and turn him to dust. <<less

Tigre, a young archer who works for Eren, the warrior princess of the Principality of Lightmeritz, and Lim, Eren’s second-in-command. For some reason, the two... more>> are now isolated in the midst of Asvar, an enemy nation that has suddenly invaded Zystart. There, they are told an unbelievable story by Princess Guinevere of Asvar. Artorius, the founder of Asvar, who is supposed to be 300 years old, has suddenly risen from the dead and has taken control of the country in the blink of an eye. The two decide to cooperate with Guinevere, but they are confronted by a mysterious man who has more power with a bow than Tigre, and who calls Tigre “the king of this generation”. In a foreign land, Tigre and Lim are confronted by a fearsome enemy. <<less

When I was tossed into this world as a world traveller, it was back when I was still a kid.... more>>

As a compensation, the ability I got was every kind of magic specialised in the management of hygiene, and physical condition.

My power has absolutely no use in battle but, as a manager of a brothel, it’s indispensable.

It’s already been several years since I’ve been entrusted with the shop by the Owner who saved my life.

Tonight too, the lights are on in the brothel 「Papillon’s Somnium」, raising the night’s curtains smeared with money and passion.

Please I urge you to stop by, dear customer.

Our shop has assembled only the best beauties, we sincerely await your arrival dear customer. <<less

Lucas has a hard life. In his mid-thirties, a mixture of failures has left him old and crippled, playing pack mule to a couple of young adventures.... more>>

Then one day, he pulls a magic sword from a stone that tells him he has been chosen to become a hero. Given a youthful form, Lucas must use the power of the sword to vanquish evil and attain a massive harem. <<less

“Maou Army’s strongest magician” I’m called. Like, a demon capable of capturing a fort alone. Clearing away enemies with immense magic, he is without a... more>> doubt a monster awed by friend and foe. However he has a secret he can’t tell other demons. “I, actually I’m human you know.” Using modern knowledge to keep his secret, he became treated as a great commander and the driving force of the Maou’s army. <<less

A world of magic and swords.... more>>

Born into an aristocratic family of a large country, a boy with insufficient magic power bade farewell to his unlucky daily life. Because of his encounter with a Demon, his fate began to change. This destined meeting changed the boy’s life, affected his surroundings, and soon after, shook the entire world.

This is his tale. <<less

Frey has been fired from the academy after being set up by his colleague.... more>>

He receives a job offer from a mysterious maid.

The job offer is to be a tutor to the five daughters of the Demon King!

At first, they didn’t trust him to be taught by a human, but as he demonstrates his abilities, he begins to gain the trust of the Demon King’s daughters.

Frey’s new life as an educator under one roof with five cute girls who are different in personality, but problematic girls begins! <<less

Roseline was married to Grand Duke Melchor, the empire’s number one knight.... more>>

“You don’t know anything about me.”

“I want to save you.”

A man who wanted to save her life, save her family, pay off her debts, was now proposing for marriage. There is no hidden favor, but why would he do this to someone he barely knows?

“You look like someone I know.”

Melchor’s first love looks precisely like Roseline.

While Rosaline was depressed because she thought she was just a stand-in for his first love, she took Julian who resembles her husband.

“Please divorce that man and marry me, Roseline.”

What happens when she marries both men? <<less

Ye Xiwen was previously only an ordinary university student on Earth, but he unexpectedly transmigrated into the world known as True Martial Domain! ... more>>

In this world, formidable warriors were capable of terraforming and destroying the world!

He originally had an ordinary aptitude. However, with his mysterious space, any martial art can be analyzed within the mysterious space! He could attain what took others decades to cultivate in a year! So long as he has enough elixirs. Any geniuses and talents were merely jokes in front of him! <<less

To sink into deep sleep, not knowing how much time has passed. A waste? No, a genius!... more>>

Emperor veins bestowed by the heavens. A crippled body? No, a godly body!

The world as the enemy, fighting alone in all directions. His dignity must be retrieved!

Martial inverse cultivating god, supreme above the world from past to present!

A journey to godhood, moving unhindered and matchless!

One day I’ll laugh, and I’ll laugh at the heavens! Godly body shall accomplish completion, to break the universe! <<less

「I need to find him soon, confess my love, and then...」... more>>

After a slight pause, she looked up at the sky with dreamy eyes and murmured softly.

「...I want to keep him locked in my room forever」

If the yandere found me, it's game over. <<less

A man suffering from terminal illness, gets a second chance at life in another world. But wait, there is a catch?... more>>

[Main Quest occurs!]
[Save the world.]
[Reward: A healthy body.]
[Death on failure!]
The suspicious system demanded.

Will the protagonist be able to survive in this unreliable world ruled by gatcha? <<less