A slum where criminals descendants live...
People beyond the border look down and discriminate them as "tribal people".
Rudo, an orphan boy, lives in the slum with his foster parent, Regt, and makes a living using his extraordinary physical abilities.
However, one day, he is accused with a crime that he doesn't remember, and is thrown into the "abyss" that even the slum people fear.

(Source: Pocket Magazine)

One day, an ordinary high school student is transferred to another world. He raises his level in the other world, successfully defeats the Demon King, and saves the world! With his strongest status, he decided to return to his own world; however, in the world to which he returns, a new "dungeon" has appeared.

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

Hiel was ridiculed for having a useless crest and was exiled to a remote island. When he grabbed an ice axe to reclaim the island, the true effect of his crest was revealed. With his production cheat he will reclaim this uninhabited island and start his life in paradise.

The human army lost the battle with the vampires on Higanjima. Unable to prevent Miyabi's plan, Japan has become a vampire country. Six months later, there was a one-armed man fighting the vampires in abandoned Japan! The man's name is Akira Miyamoto. A warrior who had already tasted hell on Higanjima.

Makoto Nozawa: 77 years old, lives alone, favorite food: curry. Just your standard, slightly eccentric old woman…

Except for the fact that she's targeted by assassins every day, and every day she gives it back to them threefold.

A humorous action story about the strongest old bag in history.

On his way home from his office, the main protagonist drove and ran over a big dog. At that moment, he heard the sudden sound of a voice inside his head. ≪ The monster has been subjugated, gaining experience points. ≫ 「Eh?」 Before anyone knew, the world has changed. Monsters appear, this is a game-like world where levels, skills, and status exist. This is an adventure where the modern world becomes fantasy and where the main protagonist has to strive hard for his survival.

Kai who was reincarnated into a different world, thrown away by the corrupt church into an isolated Island full of dangerous demons. The key to surviving on the island is the Kai's Cheat ability to summon a different world's item that Kai only used in. With this ability, Kai built a “Pioneering Village”. Kai's survival & the fate of national life!

It is a different world ability that only you can enter, cute girls and survival life!

The story is set in the modern world, but there exist doors that can take people to the "other side," where strange urban legends and internet stories prove to be true. College student Sorawo Kamikoshi finds herself exploring one of these doors, and almost dies on the other side, when she is rescued by another girl named Toriko Nishina. Toriko is mysterious girl, but very skilled with a gun, and she seems to be searching for someone else on the other side. Together, both girls start to explore these doors to the other side.

This is a continuation of the story of Higanjima, featuring an isolated island surrounded by fish demons and a population of warring vampires and humans. Ryousuke, his girlfriend Kazumi, and his friend Yamaoka are shipwrecked by the fish demons and wash up on the shore of this cursed island. They soon encounter the inhuman cruelty of the vampires first hand, before Ryousuke is able to meet up with the human resistance. Ryousuke wants nothing more than to escape the island, but mainland Japan may not be safe for long. If the humans don't defeat the vampires soon, then the vampires will succeed in their plans to spread the virus to the mainland!

In the city of Ergastulum, a shady ville filled with made men and petty thieves, whores on the make and cops on the take, there are some deeds too dirty for even its jaded inhabitants to touch. Enter the “Handymen,” Nic and Worick, who take care of the jobs no one else will handle. Until the day when a cop they know on the force requests their help in taking down a new gang muscling in on the territory of a top Mafia family. It seems like business (and mayhem) as usual, but the Handymen are about to find that this job is a lot more than they bargained for.

Ash is a young boy with apparent past-life memories who lives in a remote, deserted village. As he remembers leading a bountiful life, he can’t bear living in a world akin to the Dark Ages, where not even the internal combustion engine exists. Ash envisions the rebirth of a civilization where housing with proper sanitation is the norm and the world is connected via a means of transportation faster than horses. For that reason, he is eager to consult books containing knowledge from a highly-developed ancient culture that is rumored to have existed far in the past. Ash makes use of the church’s resources, learning how to read and obtaining the knowledge that he seeks. In addition, he enlists the help of the people around him, including Maika, the village chief’s daughter. Together, they aim to develop their own village. This is only the beginning of the story about a young boy who sets out to revolutionize the world in order to rebuild civilization and create his ideal life!

Challenge it. As many times as it takes until your spirit breaks. In order to rekindle the life that has been extinguished, in the harsh and merciless mountains of the underworld — A staggering dark survival epic depicted with overwhelming artistic skill.

Cute girls doing risky forex trading.

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.

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.