Born as an aberration different from the expectations of a chief's son, Fei Long has been ostracized by his own people. To prepare for his destined future role as chief of his clan, Fei Long is sent to Japan to complete his schooling and gain experience mingling with humans. In Japan, he discovers not everything is simple.

This manga has been published one volume per year for 12 years, so the artistic style changes rather drastically as you read further on. It's a chronicle of sorts of Katayama Shuu's growth as an artist.

From Del Rey:

Ten years ago, a terrible virus swept the globe. It turned its victims into bloodthirsty monsters called Dracules, and the only cure is death. Now, with humankind on the brink of extinction, only the elite warriors of the Vius Squad stand between chaos and civilization. New recruit Leila Mikami is one of the squad's most promising young warriors, but she has another agenda: Her parents were killed by a Dracule, and she's determined to take revenge. To do this, she has to find the Dragon Eye - a magic weapon that will make her the most powerful warrior in the world.

Reiji Ozora thinks he's no good at anything--especially schoolwork! Then one day he's introducted to a game called Dragon Drive and gets his very own virtual dragon named Chibi. Small and weak, Chibi appears to be as big a loser as Reiji! But after their first battle, Reiji realizes there may be more to his tiny friend than meets the eyes.

We are in 2053, on a futuristic Earth. Several conflicts took place in the last 20 years. But lately diplomatic alliances that are collected and maintained a fragile peace. Dragon and Weed two childhood friends, former members of a military and spiritual program, have recently become parties to the Common Army of the United States of Europe in charge of maintaining the peace and especially of the worst missions. Missions that will take them to an ancient secret organization they will join soon.

We are in 2053, on a futuristic Earth. Several conflicts took place in the last 20 years. But lately diplomatic alliances that are collected and maintained a fragile peace. Dragon and Weed two childhood friends, former members of a military and spiritual program, have recently become parties to the Common Army of the United States of Europe in charge of maintaining the peace and especially of the worst missions. Missions that will take them to an ancient secret organization they will join soon.

In a world where robots called Familer rule over the humans, a young girl Jusen attempts to stop their dictatorship with the help of a strange man, who seems to know her and her dead mother....

From TJo:

In a world with floating cities know as Eden, a young boy named Jorrne attempts to return to Eden to be reunited with his mother. Born with the destiny of bearing god-killing powers, he is the object of Eden's attention--both as something to study, and something to destroy. Aided by a young magic-wielding girl named Elisiss, her sister Enefeaa, and a swordsman sent from Eden, Jorrne travels to find his way home and to discover the truth behind his power.

From Blissful Sin:

The Waterfalls of Lowen Petergillian -
They are the waters at the end of the world above. Every river, every lake, every ocean; all water arrives here, Protecting the ends of the world and the city which longs for it, Klinia Roe. On a green hill lies the representation of peace and harmony. The world is ruled by the Higher Prince, Al El. His brother, Serlhon, and an adventurer from the world below begin their journey.
Serlhon admires Ashrei and believes that he is the only one who can free him from monotony. Exactly one year ago, Ashrei and a man-beast, Hephaistos, arrived in this world. Different from the Klinia people and Serlhon, Ashrei Rodd possesses dark hair and eyes of a mysterious light.
During his journey with the strong and manly Ashrei, how will Serlhon grow? What secrets does Ashrei hide?

The Kingdom of the Sun, Fuajarl was ruthlessly invaded by the Garden of Eden. They came seeking the King's Edel Raid, rumored to be one of the Seven Glittering Jewels (or Shichiko-hoju). Sensing their intent, the King hid his daughter with his Edel Raid and fought against the invasion but was defeated in battle that resulted in the desert kingdom being blanketed in a sheet of white snow. Escaping capture, the Crown Princess Achea Fuajarl XIV reacted with Jeen, the King's Edel Raid, and along with Puffe, the Kingdom's only mechanic, fled Fuajarl in an ancient tank. They are on a journey to restore the Kingdom and exact vengeance on the Garden of Eden. This story takes place two years after Erementar Gerad.

In a world filled with evil creatures called the "Rizoms" that threatens Kam's journey, a teenager who's said to be Laolyth's only son and a possible successor of this lost hero is... ?!

Follow the "path" of the two heroes from the Zero no Kiseki prestory comic!

A promised past and returning where one belongs. The underwater theme park, LeMU. Takeshi Kuranari, one of the park guests, is suddenly involved in a freak accident. And he finds himself stuck in LeMU with a number of other survivors. Because of the system's failure, the water pressure will slowly crush the facility. The time limit till implosion is 170 hours and 17 minutes. Will they be able to escape to the surface!?

Set from 1581 to 1586 with flashbacks further into the past, this is the story of Tyrian Persimmon. Born to a Spanish mother with an English husband in this era of conflict between the two contries, Tyrian favors Spain. His father suspects that Tyrian is not his son because he doesn't look like the man at all, and regularly beats him. His mother's lover is discovered to be a Spanish spy and flees the country. Tyrian is determined to join the navy and eventually rejoin Geraldo.

At the age of 19 he begins to make his ruthless way up the ranks of the English navy.

Mok, a son of a Yangban, becomes seriously ill and finds out that he's being protected by four divine spirits and is also gifted with special abilities. After he is cured, he is able to see the world of spirits and ghosts. Fortunately, his new friend Han helps him in his new life between the worlds of humans and spirits, because with these new abilities, new adventures await him...

Haiba Sumio is a student at a Tokyo High School with an interesting ability... He occasionally falls asleep and wakes up with premonitions of the future written out on his "Dream Diary". With this ability, Sumio helps out people in trouble before anything bad happens, until one day when his peaceful life completely changes.

Ken is a 15 year old boy with aspirations of becoming a musician; however his dad has different plans for him. After an argument he is kicked out of his house and forced to go on an adventure to be accepted back home, along with his faithful companion Note. What adventures and situations will Ken get himself into… Read Fantasy World to find out. Note: This is an english manga from the UK.

Chaos disturbs Zhong-Yuan (Middle Plain) as Heidi, the Black Emperor, upsurps the throne, yet the rest of Wulin (the Martial Arts World) is as serene as an ocean without a single ripple. Having left Hua Yuan Shan (literally, "Chinese Plain Mountain," presumably a sword school) to attend a martial arts congress, Xin Moyi and Xu Xuan soon make acquaintance with Yue Ling Long, a young girl from Moyue Shan (literally, "Devil Moon Mountain"). She, who will change the two worlds...
A fantastical adventure of martial-chivalry is about to unfold...

Tiem Sum accidently sees a cute silver fox turning into a guy. He confronts her and tells her that she has to marry him since she saw him naked. He is also looking for his lost brother while trying to woo Sum.

During an investigation, private detective Amaki comes across Kou, a man with a mysterious aura about him; a man with strangely sharp perception and eyes that shine like a beast’s. Since his meeting with this man, for some reason wild creatures that are not supposed to inhabit the city keep appearing around Amaki. Who is this Kou?