"Once upon a time, this world was ruled by beasts. Humanity no longer sat atop the foodchain, they are the monsters' prey. However, those who would stand up against the monsters gathered together and they continued to battle against the monsters in order to survive against their rule. Since then, hundreds of years have passed... and now the "fight" against the monsters has become the "hunt" for the monsters."

The series was also released on MangaONE app.

Kabukicho, Shinjuku – the district that burns with desire is struck by an incurable disease.

In this district, a doctor, Inui Date, runs a small medical clinic Night after night, patients with extraordinary cases come to the clinic. Things change when one day detective Maria Daigo, a troublesome patient, appears.

Set in a Shinjuku that has been plagued by an incurable disease, the doctor and the detective become entangled in one mysterious case after another as they face the darkness in this psychological thriller.
Will the two be able to save this town?

From Aerandria Scans:

Mysterious alchemist Lorenzo Lusignano, descendant of the royal family of Cyprus, is searching for the ultimate secret of alchemy – the Philosopher’s stone "Elixir." Rumors of this blood-red gem creep everywhere, but nobody seems to have seen it, so Lorenzo’s travels through Europe’s Renaissance are never easy.

Each volume has a different title:
1. Guranashisu no Meikyuu (柘榴の迷宮; Granacis Labyrinth)
2. Bara yori mo Akaku Yuki yori mo Shiroku (薔薇よりも赤く雪よりも白く; Redder than Roses, Whiter than Snow)　
3. Gothic Anatomia　(ゴシックアナトミア)
4. Ofiukusu no Keifu (オフィウクスの系譜; Lineage of Ophiuchus)
5. Sen no Yoru no Ryojin　(千の夜の旅人; Traveler of a Thousand Nights)
6. Rakuen no Kizu　(楽園の疵; The Scars of Eden)
7. Chinmoku no Shima　(沈黙の島; Island of Silence)
8. Suijou no Meiro　(水上の迷路; Aquatic Maze)
9. Death Stalker (デス・ストーカー)
10. Seichi 1187　(聖地1187; Holy Land 1187)
11. Kurowashi no Keifu　(黒鷲の系譜; Lineage of Kurowashi)
12. Kenja no Ishi: Elixer (賢者の石 －エリキサ－; Philosopher's Stone: Elixer)
13. Hatami Yo (二十三夜; 23 Nights)

For years, fans of the animated series (Avatar: The Last Airbender and The Legend of Korra) have been burned with one question - Wwhat happened to Zuko's mother? Finding a clue at last, Fire Lord Zuko enlists the aid of Team Avatar - and the most unlikely ally of all - to help uncover the biggest secret of his life.
An Earth Kingdom Scholar's points of view about "family" and governing with dignity motivates Zuko to set things right within his own family. He makes a deal with Azula, releasing her from the mental institution in exchange for her help on his quest to discover the truth about their mother, Ursa. Additionally, with the help of Aang, Sokka, and Katara, the five set out on a journey towards Ursa's hometown. Tensions between Azula and the rest stir trouble and an encounter with a wolf spirit delays them even more, though as they continue, they find their own dynamic to make it all work.

A power struggle begins in a civilization dependant on an ancient technology, the blastia, and the Empire that controls it. The fates of two friends traveling separate paths intertwine in an epic adventure that threatens the existence of all. (Based off of the RPG for the Xbox360 and PS3)

Tian Jiao Lianmeng, is a mysterious yet popular game. Legends say that only five people can clear it, and by doing so, will gain riches beyond belief. In order to continue his peeping obsession on the Jiejie next door, Luo Xiao Wei was determined to clear the game and gain the rewards, and to also replace his telescope. However, more and more puzzles await him….

The story centers on Asuna, a girl who spends her solitary days listening to the mysterious music emanating from the crystal radio she received from her father as a memento. However, she embarks on a journey of adventure to meet a boy again, and thus comes to know the cruelty and beauty of the world, as well as loss.

What can you do when you get mistaken for murder? Nothing. You go to prison. Lucky for you, your inmates are some of the biggest cutthroats in the prison. Seriously, you are lucky. Especially when zombies attack.

Neo Universe was an online game that was very popular in the story. Ganda participated the game, hoping to become a GM like his brother Vissana. Unfortunately, Ganda was tricked by an Anti-GM member named Waipoj, and Ganda accidentally became one of the Anti-GM members.

From Batoto: For a long time, wars have been waged between the Overworld and Underworld. In order to end this, people fought for their own cause.

In a world ruled by anthropomorphic animals. Humans live as slaves, and a group of terrorists dubbed the "World Destruction Committee" intends to destroy the world in rebellion.

A young man, Kyrie, who possesses the power to destroy the world, though he does not know why. Morte, a young woman with a tragic past and is the leader of a terrorist organization plotting to destroy the world. A demi-human named Naja, Morte's childhood friend Agan, a tough bear named Toppy, and a dragon girl named Lia. These beings will come together and journey to destroy the world!

manga sequel to K project movie, Missing Kings.

A contemporary story where fairy tales (Wizard of Oz, Snow White, Beauty and the Beast, etc.) suddenly gets mixed up with reality.

A collection of unique, fantastical short stories featuring quirky, mysterious characters.

From Viz:
When goofy inventor Senbei Norimaki creates a precocious robot named Arale, his masterpiece turns out to be more than he bargained for!

This series helped launch Toriyama's career and was awarded the Shogakukan Manga Award for shounen and shoujo manga in 1982.

From Alyschu:
In the primitive world, all the youths were hot-blooded. The Faith of Totem is the direction for one to chase their dreams! Wits and Courage are our instincts for survival. The life in the Warrior Tower was tough but joyous. Shortly in the future, even if everything had already turned to smoke and mist, our friendship will never disappear.

Dong Nu was an ordinary beautiful girl in her junior year of high school. After an accident, she met a very powerful yellow-haired man. Although his behavior was a little eccentric, he attracted her attention. As she learned more about him, she began to discover that this man had a shocking identity, as he was not just an ordinary mortal... In fact, you might even call him a... Original Webcomic: http://ac.qq.com/Comic/comicInfo/id/524373

Some are chosen by the 3 guardians of the Universe that protect the balance of all worlds and to stop a great evil. These soon to be heroes are selected from different worlds and are gifted supernatural abilities and unique weapons to fight of The god of all evil and his force and take back the keystones which hold the source and balance of worlds.

A shounen story where 2 teenagers went back in time to the "Three Kingdoms" period of China. An entertaining action series with some light moment & a bit of romance. You also get to learn a bit about that era.

From JanKenPon:
Middle schoolers, Shiro and Masumi, encountered a mysterious dragon that brought them back to the time of the Three Kingdoms; situated in ancient China. As soon as they arrived, they were rescued by the Han Kingdom. Not long after these events, Masumi was kidnapped and Shiro barely escaped death... Soon the story gets more complicated as they are stuck in the past.

In 1997, Ryuurouden won the Kodansha Manga Award for shōnen manga.

Description Based on the Dragon's Dogma video game, this manga series is about the adventures of the Arisen Karol and his main pawn Elise. Karol's simple life as a fisherman changed when his home village of Cassardis was attacked by a dragon, who then proceeds to consume his heart, marking him as the Arisen. Now he seeks to reclaim his heart and along the way, he learns more of what truly makes an Arisen and of the mysterious Pawn Legion.