The sequel to Konjiki no Gash!!, aka Zatch Bell.

Once the battle to decide the King of the demon world, in which 100 demon children fought against each other, had come to an end… the King of the demon world was crowned, and the demon world lived out the rest of its days in peace.

Or at least, that was how it was supposed to be.

Now, a shocking fact about the demon world comes to light. And in the depths of their despair, three demon children decide to take a great risk.

If you're reincarnated in another world, you will be naked and alone in the forest. The only things you can rely on without magic or cheats is your wits and fists!

Author's Twitter: @yazin_uhouho: https://twitter.com/yazin_uhouho
Web Novel Raw: https://ncode.syosetu.com/n5771ei/
Alternate Raw: NicoNico: http://seiga.nicovideo.jp/comic/41841

A story of a young man who lacks a sense of reality after being dumped by his lover. He was visiting a seminar on cultural anthropology with his fellow classmates when he discoveres an ancient wall painting, which transports him to the past where mammoths dominated the world.Action

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.

Yeon-woo had a twin brother who disappeared five years ago. One day, a pocket watch left by his brother returned to his possession. Inside, he found a hidden diary in which was recorded “By the time you hear this, I guess I will be already dead….”

In a faraway future, Earth is shrouded in thick, heavy clouds. The sun no longer shines upon it.
A world in which most plants have withered away and oxygen levels have been depleted.
However, humanity has managed to survive by developing the technology needed to turn people into plants, producing a small amount of oxygen.
To live as a human being in an uncertain world, or to abandon one's own suffering and embark on a new life as a plantー
People are forced to make a choice.

One day, a dull young man from Japan gets caught up in a heroic summoning and goes to another world. The next time he wakes up, he's not in a castle with a king, but in a deep forest since the summoning failed! You'd think he'd be at a loss, but he starts living a life of survival with a positive attitude that doesn't involve deep thought!
Then, before he knows it, he saves the cursed forest and magical beasts one after another with his magical powers, and is befriended by wolves and dogs in a healing paradise! However, he doesn't realize that they are actually legendary demonic beasts and spirits at all. What's more, that they are adored! A positive young man unknowingly plays with the legendary magical beasts, a heartwarming and misunderstood fantasy begins!

From ANN:

Guts, known as the Black Swordsman, seeks sanctuary from the demonic forces attracted to him and his woman because of a demonic mark on their necks, and also vengeance against the man who branded him as an unholy sacrifice. Aided only by his titanic strength gained from a harsh childhood lived with mercenaries, a gigantic sword, and an iron prosthetic left hand, Guts must struggle against his bleak destiny, all the while fighting with a rage that might strip him of his humanity.

Warning: This manga is for mature audiences only, since it has sexual content and graphic violence (gore, blood, rape, etc). Definitely not for the weak hearted.

The 1988 Prototype chapter won a prize at the Comi Manga School Miura attended and the main series won the Tezuka Osamu Award for Excellence in 2002.

It has been decades since labyrinths first appeared in the modern world of Japan, bringing with them monsters and related catastrophes. With this brought many changes; the biggest one being a new profession called 'Adventurer' and the monster cards they use to summon their own monsters to fight and conquer labyrinths with.

Kitagawa Utamaro, nickname Maro, is a mob highschooler who becomes an adventurer due to being incited by a former friend of his having sudden social success among their peers simply by becoming an adventurer himself.
However, things aren't quite as easy for Maro. Just becoming an adventurer in name only isn't enough for him to gain his spotlight, giving him no recourse but to actually tackle labyrinths with the peculiar and not very versatile monster cards that he barely manages to scrape up.

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.

I’m Shinomiya Hokage, a 3rd-year high-school boy who dreams of a survival life. One day, everyone in my school transferred to a mysterious island in a parallel world. I woke up in an unknown cave and I started moving on my own. Then, I met up with some of my classmates. My knowledge and tools in survival shines through. I was a plain guy in school but I’m the leader in this world.

One day, the high school boy, Tooru, was summoned by an aristocrat to [a world where levels rule]. Upon discovering that Tooru's level was the absolute lowest, he was then treated as a slave and trapped in a high-level dungeon. He vowed to defeat the fearsome monsters in the high-level dungeon, level up higher than everyone else, and return to his original world.

Artist Note: Starting with Chapter 11.5, Chamochi took over as artist from Hiramura Daisuke.

A fantasy story about Kiska, a boy who is mistreated by the villagers. He manages to survive thanks to his childhood friend Namia, who was the only one by his side. One day, Namia is murdered by three men, and Kiska is accused of the crime and banished to an inescapable class S dungeon. However, he finds himself in a different world where he can use "Save and Reset" to get back on his feet no matter how many times he dies. The story is about Kiska's quest for revenge against those who wronged him and his friend

Alicia is an orphan living in Ciel, a world of swords and magic. One day, she discovers that she is "the heroine of an otome game." Even the death of her parents was simply part of the story.

Alicia decisively rejects the heroine's role as "nonsense." Taking the name "Aria" as an adventurer, she gradually grows into the "Ash-crowned Princess of Slaughter" who wields multiple weapons and magic!

But, when she receives a request to escort a "villainess," without realizing it she finds herself caught up in the stage of the game where nobles struggle against each other...?

"I am 'me.' I'm not a character in a game!"

A certain girl genius with more power than knowledge accidentally summoned dozens of students and teachers into a dangerous world filled with beasts and magic, but the protagonist isn't a student or the homeroom teacher... it's the janitor.

At the time of their summoning, the students and teachers each gained a power formed from their soul, but not the janitor. As the janitor was about to be bestowed with a power that would protect him, his power was forcibly taken from him by an arrogant student. Having gone three years without a contract extension, he failed to get a job after having graduated from a third-rate university. Somehow he is still a contractor at 25 years old and was a janitor for 2 years, with a take-home monthly salary of less than ¥120,000. From a society that rejected him, he was thrust into a world that rejected him. And what janitor-san wished from the Goddess who took pity on him was...

Haga is one of the debuggers that gets stuck in the world of an incomplete VR game. Though he eradicates a monster from a village, the destruction event that ends with the villagers' deaths triggers without fail. However, Nicola, the villager girl he saves, revives before his eyes.

Today, there’ll be discoveries and encounters again. For the girls marching forward in a world in its afterlife, there are still various things to experience: The remains of an extinct civilization, other living things, as well as lessons taught by the ruins.. there is still a lot to be seen in the world. That’s why... living is still fun!

Humanity has been oppressed for hundreds of years due to the rise and invasion of the natural enemy "demons".
The world was ruled by the "Great Demon Lord" and his 47 "Demon Lords".
While people live in fear, 47 people selected from all over the world have been named "Heroes" and are preparing to fight against the Demon King's army.
And now, a desperate operation with the survival of mankind on the line was about to begin.

Dias fulfilled his parents' will to help others, and kept fighting on the battlefield to that end. Now known as the “Savior Hero” from his long wartime career, he was rewarded with a vast territory from the king. After having met the horned Kijin girl Aruna who lives there, he begins his new slow life as a lord.

Lock n' load with the baddest soldiers of fortune ever to hit the high seas of Southeast Asia! Aboard their World War II era torpedo boat, the Black Lagoon, Dutch the Boss, Benny the Mechanic, Revy Two Hand, and Rock, the salaryman from Japan, deliver anything, anywhere. In the dangerous underworld of the Russian Mafia, Chinese Triads, Colombian drug cartels, crazed assassins, and ruthless mercenaries, it's hard to know whom to trust. But if you've got a delivery to make, and you don't mind a little property damage along the way, you can count on the crew of the Black Lagoon.