From Hokuto no Gun:
This brief story follows the reincarnation of the Emishi warrior Aterui, who turns out to be a guardian deity protecting the mysterious power source called the Dragon from the gods of destruction, into the body of mild-mannered archaeologist and professor, Kogami Ryuichi. This short volume is packed with action, violence, and even political satire.

Contains the oneshot Kiseki Moyuru Toki

From Tezuka Osamu World:

Aliens have created a tomcat endowed with the seven exceptional faculties similar to Astro Boy's. Supporting his owner, Tsugio, who is a sissy boy, this tomcat named Atomcat runs actively far and wide through the universe. --- This is a fascinating work resulted from Tezuka Osamu's challenging endeavor and daring to remake "Astro Boy."

From Storm in Heaven and one of their legacy groups, Bamboo Feathers:

Fraw and Kio are angels, and it's their duty to protect the passage of souls to Heaven. When the two were growing up, Kio always looked after Fraw. However, their roles are suddenly reversed when Fraw is promoted to one of the highest ranking classes of angel, and Fraw takes it upon himself to protect Kio.

Can Fraw keep his new position a secret while he and Kio battle against the Manifis, evil spirits that feed on humanity? And what is so unusual about Kio and his wings...?

Originally a oneshot called "Eden."

From Boku-Tachi:
Assobot Goku is the strongest and worst assobot there is, and he and his gang take what they want without remorse. But when he sets his sights on Miroku Village, and meets up with a mysterious young man named Sanzou playing a strange harmonica, he gets more than he bargained for. How does Sanzou know about Goku, and how are they both connected with a prophecy foretelling the destruction of the world? "Assobot Goku" first appeared in Weekly Shounen Magazine in issue 4/5 2002, and has since then been made into an animated series called "Assobot Senki Goku" (The Assobot Fighting Chronicles, Goku).

Contains oneshot stories that center on individuals in ancient China filled with stories of martial arts action and drama.

When Lord Dahn-Guh "accidentally" unleashes powerful demons unto the land, he orders the fool Ondal to recapture them! Unable to fulfill the task on his own, Ondal is accompanied by Hae-Moh-Soo--a legendary, foul-mouthed warrior who helped to trap the demons in the first place--and...David Copperfield?! Along the way, they come across quite the interesting array of characters: a gang of armed nuns, the mysterious Samson with singing powers, the twins Pai and Pei, and so many more!

Okinawa. An ordinary senior high school student, Kio, meets an alien girl who has cat ears and a tail who came to Earth so that she could learn more about it. In the end, he decides to bring her home. However, living with such a person might not be as easy as it seems for Kio!

A group of homicidal maniacs, gangsters, terrorist, and some eccentric thieves all board the same train. Some want to rob it, while others just want to create chaos. On top of all this some of these people seem to be immortal, and a mysterious being called "Rail Tracer" is terrorizing the train. What are the mysterious origins of all these events, and who will be able to survive the train’s madness?

From Tokyopop:
An ancient seal has been broken, sending a flood of demons into the mortal realm. Hizuru Oborozuki and Takuya Hijou, descendants of the great savior who banished the demons in the past, must fight the evil spirits using their mystical powers. In order to give the world a fighting chance, Takuya uses his music to transform Hizuru into a beautiful warrior. Some things are worth fighting for, but is the Earth one of them?

From Tokyopop: After the abduction of his brother Kotaro by the Machine Empire, Teppei Takamiya joins forces with X, one of several highly-advanced, artificially intelligent machines known as B'ts (pronounced 'beat'), to rescue him.

Onodera Kensaku, a self taught martial artist, undefeated street fighter gets his ass whipped by a girl. Not by just any girl, but his home room teacher Asato Nanae and her High Left Kick. You'll see brilliant pictures of high quality in shading and facial expressions, with a twist of perverted activities and one liners that will have your sides splitting as you follow in the wake of Onodera's adventures to defeat Asato.

Leto is employed as an apprentice by the skilled mercenary Alpha, from the mercenary unit Boreas. He struggles to rid himself of his apprentice status and be accepted by Alpha. However, as a mercenary, many painful encounters and terrible experiences await him…

A reaper is a low class god . They exist in a different dimension than those of humans and deemed unnecessary they have not any foolish senses that cause anguish. But one of them is different . He wants to be a human but to do so he has to guide 10 000 000 people to hell

1185. After a very bloody war, two heroes, moreover enemies, are reincarnated in order to continue their eternal fight. Who will be the winner: Benkei, the soldier-monk, or Yoshitsune, the dethroned brother of the current shogun? The only spectator of this confrontation is the young girl Tomoe.

The word is out on the streets: a reward of five million dollars to the opportunist that wastes the courier calling herself Bambi and returns her living cargo.

Chainsaw swinging psychos, gold-toothed Elvises, Derringer-packing grannies and all the other scum in these badlands could care less whether Bambi is kidnapping this toddler she christened "Pampi" or if she's snatching him back from his captors. With a pink gun in one hand, and a leashed Pampi in the other, can antihero Bambi's huge ego and formidable gun skills hold off an army?

Meet Takeru, an ordinary boy who's always bullied because of his lack of self-confidence. What will happen when one day two mysterious girls show up in his room seeking shelter from a group of blood-thirsty thugs?
Discover the changes in Takeru's life after meeting two girls that are definitely more than what meets the eye in Bakuretsu Tenshi.

Bakuretsu Tenshi: Angel's Adolescence is a prequel to the anime Bakuretsu Tenshi.

It started with a brutal beating at a pachinko parlor, and now Bakune Young -- maniac, moron or mastermind -- has taken Japan's biggest crime boss as a hostage as Step One of his plan to rule the world! Soon, yakuza, police, hapless detectives and Bakune's former gym teacher collide as Bakune holes up with his hostage in Osaka Castle, and the manly men of the Japanese mob vow to do anything to rescue their boss!

Can Russian-roulette-playing police chief Sorigami salvage the situation with his highly trained army of human robots? Will Johnson Membodeath, the ninja, stop the madness by killing everyone in sight? Savage satire of the action-violence manga genre!

Bakumatsu Renka Karyuu Kenshiden takes place in the first year of Tokugawa when the Shogunate and the emperor's supporters fight for supremacy. Shizuki Rin is a girl growing up in a Dojo who lost her memory of the past. Secretly the dojo deals with information. Including the violent Shinsengumi, some bishies and children who aim to get stronger.

After being bullied at his old school, Makoto wants to be the main character of his own story. When he finds a bill with his face on it on a school trip to Kyoto, he takes it as a sign, which leads him to fall into a river. Once he comes to, he realizes that he has been transported back to the period of time in Japan known as the Bakumatsu!