From Tokyopop:

Chiyoharu used to be the leader of the troublemakers, until one day an innocent prank results in a major fire at the school. When his three cohorts take the blame and are expelled, Chiyoharu tries to go on with his mundane life, beating himself up with guilt. Then he meets the mysterious, muscle-man Souza of the North Wind and a ditzy self-proclaimed detective who are trying to solve the mystery behind Souza's amnesia...It's nonstop comedy and action from there!

Ashihara Chihiro is a regular high school student. One day a man came to her and told her that she's actually a princess from another country in another dimension. Chihiro later found out that it was true, and in fact her own best friend and teacher were actually her guardians! Her country has been taken over by Raja, who is now king. Chihiro and her guardians come back to that dimension to take back their country. In her quest, Chihiro met other guardians and warriors who were willing to help her achieve her goal.

From Shinnen:

There are rumors of a grand treasure located within the local museum of Ashiwara and that this treasure requires a special key to unlock. But no one seems to know what this treasure is or even what the key looks like.

But Kei and Hikaru, two childhood friends, may inadvertently find out when someone seeks to claim the treasure for themselves and that action plunges their world into chaos.

From Sweet Lunacy:

Armelia is an orphan girl who sings for work. One day, she met a boy, Luce, and fell in love with him. Unfortunately, Luce was kidnapped by the notorious pirate, Scar. Armelia swore to herself that one day she would rescue Luce. But the truth is not what she thought it was...

*Includes a side story called Haru wa Sakura:

Shou wants to be a doctor, but female doctors are forbidden. Takao is a delinquent, whose bad reputation is known by many. Somehow these two people cross paths and a connection is made. Was it just a chance meeting or will something more come out of it?

In a post-apocalyptic world covered with water, Wadatsumi, a person who lives in what appears to be the last piece of land, finds a mysterious girl dragged by the waves of the sea. Where does she come from? Are there other lands in this world?

From Taruby:
After 'The Great Sinking,' civilization on Earth crumbled as the world was drowned in the ocean. One tiny band of survivors eke out a living atop the ruined remains of a skyscraper. Wadatsumi, a young tomboy, is saddled with the care of four elderly gentlemen, until a chance encounter with a group of pirates and a mysterious woman turn her world upside-down.

On a trip to look for his brother, a hungry Hachiya Rei stops at a shrine to pray. It is just his luck that he is accused of stealing money from the shrine and forced to work to pay off the amount stolen. However, the real thief turns out to be a daemon, or a god turned evil! An encounter with the daemon unleashes Kagutsuchi, the god of fire, concealed in Rei. As Kagutsuchi's proxy, Rei can use the god's holy fire to purify daemons, but there's a side effect...

The earth is in danger and is about to be invaded by aliens. Misao is a gymnast and a scout witnesses one of her amazing gymnastic routines and asks her if she wants to be a heroine. What did this scout mean by "heroine"?

Our world is too normal. Heroic fantasy is much better, isn't it? Follow the adventures of an apprentice magician, her talking cat, and two great heroes... NOTE: French OEL

From Yen Press:

Rebellious Chiwoo is the town outcast. Without his parents to raise him, he finds this world a difficult place to fit in. If only his mysterious father would just show himself! What secret could drive them apart? When his father suddenly reappears, Chiwoo learns that his father is a Mangnani, a mysterious executioner who carries out God’s judgment. Only his father’s dance prior to the beheading of a sinner determines the fate of one’s afterlife — either forgiveness from God or eternal damnation. Now on the run from an Emperor determined to obliterate all Mangnanies and their heirs, Chiwoo must fight to fulfill his destiny!

Teacher Hisoka wakes up to find that he has died and is now inhabiting the body of the student he tried to save. This is due to the interference of a monk, who informs him that he cannot tell anyone who he really is or the bond between him and his "new" body will break and he will die for real. Hisoka chooses to retain his memories despite the monk's warning that it will cause trouble....No doubt it will, since Hisoka is the type who cannot pass someone in trouble without trying to help!

Himawari! is the story of Himawari and her journey to become a Kunoichi, and her 'vow' to protect her master.Himawari Hinata recently transferred to Shinobi Gakuen to train to become the best kunoichi she can be. She wanted to be a ninja ever since she was saved by one when she was little. On her first day, she meets Hayato Madenokoji (a new transfer teacher) who saves her life. Hayato does not possess any ninja skills or traits, he is teaching the ninjas about normal society to pay off his debt. However, Himawari notices that Hayato bares the same mark on his neck as the ninja who saved her when she was young.

Sequel to the first anime series and a prequel to the second anime series.

A Tales of the Abyss side story that focuses on Jade Curtiss, also known as Jade the Necromancer.

Okabe Rintarou, the mad scientist of chaos, invented a time machine and disappeared. He goes to through the world line trying to unravel secrets....what awaits him? More trouble?

In almost all respects, Arton is the same as Earth. The sky is blue, the Sun is yellow, the Moon is silver. There we find the same air, the same water, the same trees and animals that we know on Earth. Arton is a world of adventurous heroes. They are everywhere, in kingdoms, villages and cities. The greatest of those heroes is a champion who came to be in recent times. He's only known as the Paladin, and no power has ever proven itself able to defeat him. A holy warrior, tempered by the power of twenty gods, he's the utmost defender of truth, honor and justice. The Paladin has gone missing... 

A oneshot story about Kenshiro's sifu Ryuken and also the other adoptive brothers. Elaborates on how he chose the Hokuto Shinken successor and the events related to it.

Prologue of "Cloud Atlas", a movie released in 2012, drawn by SIU, creator of "Tower of God".

From Viz: After a escaping the unwanted attentions of some bored soldiers with the help of a handsome stranger, Sophie returns home only to be accosted by the infamous Witch of the Waste! The Witch lays a curse on her, turning Sophie into a creaky old woman. Sophie knows she has to leave town, and soon finds herself taking shelter in the moving castle of the dread wizard Howl...who is rumored to eat women's hearts!

In the "Tsukuroiya" series:

Volume 1: Awai no Mori
Volume 2: Madoi no Tobira

Within the boundary separating one world from the next, “rips” in the fabric of space will occasionally form. These tears allow the two worlds to bleed into each other, and, if left unattended, may threaten the everyday lives of the people living nearby. To find and repair these distortions, a seamster named Rem travels around the world along with his companion, a mechanical doll in the shape of a small girl.

- Turtle Paradise

Ami is a high school girl who loves to chase after expensive brands. By pure chance, Ami has started working for Tatara in order to acquire a handbag she wanted. But to think that Tatara is the most famous porno writer at the time..! Who could have imagined the anxiety that lies within Ami's heart?

From Ivyscan:

Having been born with an ability to destroy things without having to touch them, a man was abandoned by his mother when he was a child. His name long forgotten, he continues to travel aimlessly, crossing paths with those with superhuman powers along the way. These encounters are perhaps brought about by his own power.