After defeating a rare monster it unexpectedly transformed into a girl. Due to hesitation the monster were slain by an other player, that player was then aiming for Xiao Yao Zi Zai's life.

This is a reboot of Zhan Long

Regis Ulrich is an incapable soldier; bad at both sword and archery, who passes the time by only reading books. While transferring to a remote region post, he meets a girl who turns out be the red hair and crimson eyed princess Altina, the wielder of the great sword "Grantneil Catoll." Despite being only fourteen years old, she was appointed to become the commander of the army in this remote region simply because she was the illegitimate child of the Emperor. However, she continues to pursue her dream of becoming Empress despite the circumstances that surround her. To achieve this goal, she asks Regis to become her tactician and stand alongside her against the obstacles that are sure to come.

This is a story from the early 17th century, where everything was still in chaos.
A Story about Judicial Duels, and the law and order that will be introduced...
In the Holy Roman Empire that rules all of the Europe Continent...

This is a miserable world ruled by the Demon King. However, the God of Creation gave the enslaved humanity a sliver of hope. A Holy Saint will be born every hundred years. The one who has the Holy Maiden's first kiss will become the Hero and lead humanity to topple the Demon King. During the Hero Trial that happens once every a hundred years, a strong but unruly man appeared. Disrespecting the trial and not lending a hand to the helpless villagers when the village was attacked by monsters! He keeps talking about getting the Holy Maiden and saving the world but is this kind of person the Hero humanity has been waiting for!?

In the Tranquil Sun province of the empire, there exists an unremarkable lordship known as Xue Ying Territory! This is the home of the Dong Bo clan, the clan of our hero Xue Ying! His father, a commoner turned noble; his mother, a noble who abandoned her clan for love, and his brother, an innocent toddler. But peace cannot last forever, Xue Ying’s peaceful life is shattered, and the only way to reclaim it is through power!

Shouta Oone was feeling that his daily school life had become dull. In the midst of his boredom, he coincidentally ends up learning the outrageous secret of his classmate, Ichigo Otohime! This is a bittersweet youth story, adorned with a secret that mustn't be leaked!

Enchanted Arms prequel manga that came with the Limited Edition version of the game.
It's about a student named Kana who the player meets in London City after a certain event.

In the distant Milky Way, inheriting the best human beings - Sun Wen, Genghis Khan, Einstein, Tesla and other genes, orphans, scattered in the interstellar, to solve the mystery of the destruction of the earth, as Bruce Lee's genetic clone of the juvenile blues Swear to bring all the earth compatriots together...

From Tokyopop:

In an age of magic and sorcery, the world is divided between those who have supernatural powers and those who don't. Fighting for justice and against black magic and evildoers everywhere are the Sorcerer Hunters: Gateau, Carrot, Chocolat, Mocha, and the rest of the gang. Their quest is to destroy each of the Platina stones--the objects the evil sorcerers use for creating their black magic--in an entertaining mix of farce and adventure.

In 2024, mankind's insatiable appetite finally opened the Pandora's Box of technology, releasing the long-sealed demonic seeds and catalyzing the process of life's evolution. The irresistible catastrophe instantly annihilated the entire human civilization, leaving behind only the scorched earth of steel and iron, a symbol of the former prosperity, and the survivors who lingered on top of it. In this chaotic world of collapsed order and crumbling faith, can humanity unite to rebuild civilization? In this devastated wasteland, the heroes representing various forces pass a number of tests to complete their own redemption and finally embark on a difficult journey to find the truth of the end times.

Nikaido Hiroshi and his two brothers each inherit 100 million yen. Who will become the sucessor to the Nikaido Tycoon? None other than the son that uses the money the best. So how does young Hiroshi use his money well? Stocks? Of course not. He goes straight down to Vegas and starts playing poker.

She is a girl that everyone loves but she cannot speak of the love she has for her brother because her brother already loves someone else. In despair, she gets dragged into Ancient Egypt by a snake shaped bracelet that is engraved with a three thousand year old love oath. There, she meets the Pharoah's heir, a party boy....

One day, Kosaka Mitsuki was abruptly sent on a trip to a different world. She was an otaku, so she adapted really fast. Then she decided to live her life as a magician.

She made a living by making full use of the benefits of the automaticly translated knowledge and language of her original world. But reality was harsh.

She was keenly aware that she was handling ‘Bishie’ from this different world who could easily conquer a maiden hearts and dreams.

A spin-off manga created by Toyotarou, and based on the arcade game Dragon Ball Heroes. It debuted in the November 2012 edition of V-Jump, the release date of which was October 20, 2012.

http://dragonball.wikia.com/wiki/Dragon_Ball_Heroes:_Victory_Mission

After Wiz wastes all the money Vanir made from Kazuma’s patents on high quality Manatite, Vanir is forced to take up a job in consulting to pay the monthly rent of the shop.
Aqua couldn’t fall asleep, and decided to invade Wiz’s shop to inquire about her and Vanir’s past.
Various characters consult Vanir for help.

BOZEBEATS is a "priest expelling demons action" story that centers on a priest (bōzu) who lives alone on a strange mountain, when he meets a young man who was raised by wolves. [ANN]

The Masters of Murim lives hiding in plain sight!
But robot humans are hunting them down!
A random boy gets caught in middle of all this and this is his survival story!

Takeru Gakusha was a aspiring writer, until the universe exploration missions started, he decides to apply for these, but in the meantime he meets someone who changes his life by taking him in as a "Teacher" at the Yokai Carecenter, meets people who he will love for the rest of his life and is sent to space in the meantime, how will he communicate with the people on earth and will he survive this missions?

Masaki Kenshi was taken from his home and was sent with a combat suit to assassinate the young queen Rashara. His mission was unsuccessful and he was captured and would have been typically executed for such a crime. However, Rashara, seeing that Kenshi was forced to carry out such a mission, pardons his life. She allows him to stay at the pilot academy and he becomes friends with many of the women surrounding Rashara. However, there are deep secrets that may threaten the comfortable life that Kenshi is living right now.

New story of Princess Sapphire currently running in Tezucomi, an 18 month special magazine commemorating Osamu Tezuka for his 90th Birthday.