First among the ten martial emperors, Peerless Martial Emperor Gu Fei Yang met his demise in the Tiandang mountains. He was reincarnated fifteen years later, as Li Yun Xiao of the Tianshui Nation, and thus began a heaven-defying battlefront with the countless talents of the current generation. Martial arts of the nine heavens and ten divine realms. From then on, the whole world was set ablaze.

The crown prince announced that her engagement was broken off and she was exiled. All my efforts as her attendant to avoid such a scenario were all in vain, unable to avoid the condemnation flag, my villainess suggested that she wanted to be my sex slave?!

_"Please break my hymen! I'm Kaito's sex slave after all. Please let out a lot in my baby room."_

She was once called the ice princess but now that has been warped, she's now begging for me to cum inside her. As the princess, she's as good as dead. She didn't show a single hint of regret or remorse during her first experience.

_"AHH! I'm cumming! Fine, I'll make you my sex slave as you wish!!"_

Together with Kaito who reincarnated and had known of her ruin, Chris became his sex slave happily.

He was suddenly summoned to another world one day.
Monsters poured out, a huge disaster incoming.
His ability the lowest.

[Player's level is low]
[Your level is hopeless]

It doesn't matter whether you're the chosen warrior, a talented wizard,
or someone who travelled back in time.
One must do everything they can,

in order to survive.

The Regressor's Instruction Manual.

"It doesn't matter if I'm trash." Is there anyone who wouldn't do anything they could to survive?

"If I slash, it will be cut."

I, who was once called the best swordsman in the nation, have ended up in a mobile game I've only spent money on a few times. And I’ve even received the blessing of the 'Sword God'!

But… the only weapon I can use is a sashimi knife?

Just one minute a day. I become a Sword Saint with a sashimi knife.

From MangaHelpers:
29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to his use of a 3-time-use special power (meteor shower), he ends up wiping out an army of lizardmen and becoming very high level. He hides his level and plans to live peacefully and meet new people, though developments in the game story (like the return of a demon king) might get in his way.

Who says revenge is vain? It's so fun!

In a world where magic is extremely advanced and boasts a civilization that is no different from science fiction, he has reincarnated into the noble 'Rondel' family.

However, born as the child of a commoner concubine, his life is threatened by the first wife and half-brother. He acquired the role of 'Manuel Lucas', the great mage who changed the world. And a refreshing revenge story begins!

'From now on, I'm going to live the life I wanted'

The protagonist along with his step-mother, and 2 step-sisters are summoned into another world where demi-humans are the rulers as saviors, but its not to fight against a demon lord, its to fight an Undead Apocalypse monsters called "Dead Mell" that have overrun the world and that can only be killed by using weapons made with holy silver.

For that, a familia is made (group of 4 people) with them being the swordmaster that uses the holy sword, the guardian that uses the power of earth to protect, the healer that use the power of water to heal and the black mage that uses the power of fire to destroy.
The role of the guardian, the mage and the healer is to support the swordmaster that can only kill the monsters.

But to use magic powers one must offer part of your being as a sacrifice to form a contract with spirits, and the higher the sacrifice, the higher the power. Now they must choose who are the 3 that need to sacrifice part of their bodies to gain power and who will wield the holy sword.

When he realized it, the protagonist was in another world and had become a sword that was stabbed on an altar in a great plain, crowded with devil beast. The world he was in had a game like system; HP, MP, Strength, Vitality, Agility, Intelligence, Dexterity, Titles and Equipment. Following his instinct as a living sword, he traveled to find the one who could be his wielder, until he met with a cat girl that was about to be attacked by a bear type devil beast.

Orginal Webcomic

In the era of astral pets, only the might of pets was essential! However, making the pets stronger has always been a slow and arduous process for pet warriors. That was until the appearance of a mysterious pet shop that changed everything!

The weakest skeleton could slay a great golden dragon with a single strike after training at this pet shop! Even the humble watchdog of the shop possessed ten legendary skills, and the female worker in the shop claimed to be a Goddess...

As for what the shopkeeper Su Ping thinks: I'm merely training these cute pets to become exceptional overlord beasts. What? Is it not normal?

Penelope Eckart reincarnated as the adopted daughter of Duke Eckart and the villainess of a reverse harem dating sim. The problem is, she entered the game at its hardest difficulty, and no matter what she does, death awaits her at every ending! Before the "real daughter" of Duke Eckart appears, she must choose one of the male leads and reach a happy ending in order to survive. But the two brothers always pick a fight with her over every little thing, as well as a crazy crown prince, whose routes all lead to death. There's even a magician who's enamoured with the female lead, and a loyal slave knight! But somehow, the favourability meters of the male leads increase the more she crosses the line with them!

This is Penelope’s survival story, who’s been dropped in an insane reverse harem dating sim!

Ganghyeok is ruined. His gym business is failing and there's no way he can pay off his debts. But one night, while reading his favorite author's latest webnovel, he gets sucked into a world of martial arts fantasy and wakes up as a child monk in the Shaolin temple. There, he must apply his knowledge of modern fitness to survive their strict training, juggle the friends and enemies he makes along the way, and find a way to get back home.

The protagonist, who has been reincarnated into the world of a game he played extensively, has become Yuri, the third son of a villainous family!!

His father, siblings, and the entire household are the worst and most ruthless, all doomed to be brutally massacred.
As for Yuri himself, he is destined to betray the Hero as the final boss, dragging the heroine down with him to meet the worst possible death.

Not wanting to die, he decides to completely distance himself from both his villainous family and the Hero’s party, intending to live a peaceful and carefree life… Or so he thought, but now, one by one, the original story’s characters keep gathering around him…!?

From a self-declared "exile", the lone Final Boss’s journey of independence and unrivaled strength begins!!!

Every night, he prayed to wake in a world of magic and adventure. One day, his wish came true, though not in the way he expected. He awoke in a vast, snowy wilderness as a Barbarian, a powerful race feared for their strength and savagery.

Though the world was everything he’d dreamed of, his new form came with challenges. Determined not to live as a mindless brute, he learned the human tongue, studied their customs, and became a registered mercenary. But despite his efforts to belong, his monstrous appearance and overwhelming strength lead most to see him as a threat.

Now, caught between the world he longed for and the one that rejects him, he must fight to prove he’s more than what others fear and uncover the reason he was brought here in the first place.

A scatterbrained, talentless civil servant returned as the heavenly Demon.

He now wished to live the rest of his life peacefully, as his days in the Murim world were full of conflict and bloodshed. However...

"Please be my father until I graduate."

He suddenly gained a daughter out of nowhere.

Suzuki Iruma has just been sold to a demon by his irresponsible parents! Surprisingly, the next thing he knows he's living with the demon and has been transferred into a school in the demon world. Thus begins the cowardly Iruma-kun's extraordinary school life among the otherworldly...

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.After obtaining the knowledge of the Magi Craft Meister, Jin attempts to use a warp gate but it malfunctions, transporting him to an unknown place. Along with that, an automata he recently restored also uses the warp gate in order to search for her “father”. Thus, the crafting journey of the new Magi Craft Meister begins!

Ichinomiya Shingo, a young 25 years old, single, company worker, while thinking of tomorrow’s busy working day goes to sleep. However the moment he woke up, it was a room unknown to him.

He then learned that he was inside a 6 years-old boy and had taken over his mind.

Furthermore he learned a lot from the memories of said boy: he was born as the youngest child (8th son and 10th child) of a poor noble family living in the back country. Having no administrative skill, he couldn’t do anything to manage the vast land his family has.

Fortunately, he was blessed with a very rare talent, talent of magic. Unfortunately, while his talent could bring prosperity to his family, in his situation it only brought disaster.

Yes, this is the story of the boy, Wendelin von Benno Baumeister, opening his own path in a harsh world.

Youki was reincarnated in another world. However, instead of being reincarnated as the hero or the demon lord, he was instead reincarnated half-assedly as a minion of the Demon Lord. One day, the Hero's Party attacked the Demon Lord's castle with the intent of defeating the Demon Lord. Of course, Youki was able to repel their attempt with ease. In spite of this, he ended up falling for the cleric, Cecilia, at first sight… The super popular love comedy fantasy set in another world! (Source: Gaugau)

In middle school, Konoha Satou dreamed of escaping into a world like that of Dark History, a romantic fantasy novel she wrote telling the story of the count's daughter Konoha Magnolia and the knight she falls in love with. Years later, her mother rediscovers that novel - only for Konoha to get hit in a traffic accident and die!

When she opens her eyes, she finds herself in the world of her own creation as the heroine's younger sister, Iana Magnolia. Somehow, she's been reborn as the character she created to be the greatest villainess of all time?!

Ghost-seeing School Boys oneshot included in volume 1 as chapter 3.5

The main character that loves the MMORPG Dunex more than anyone, in exchange for clearing the event he was transported inside the game world. However, he was transported as a fat mob villain.