From The Zero Alliance: No doctor can cure or figure out the cause behind the the illness of Mii’s older brother. Except for Dr. Psyche. But this mysterious doctor is perverted and even had a criminal record. Can she really trust him?

Features Illya as a main character where she's living an alternate life as a school girl. However, she is chosen by the Magical Stick Ruby and is involved in a quarrel between Rin (Kaleido Ruby) and Luvia (Kaleido Sapphire).

From Tokyopop:
Sanami Matoh's FAKE, a BL favorite, is the unlikely love story between two NYC cops--who both happen to be guys...

Meet Ryo and Dee, two New York City cops with an attraction for action, and for each other! When Ryo, a soft spoken officer, joins the NYPD's 27th precinct, he's soon partnered up with Dee's a cocky, confident cop with attitude to spare.

Bunkoban edition includes the extras:
FAKE side story: Act DEE and Act RYO.

From ShoujoMagic:
Yuki and Emiri are staff at Syrup Cleaning Service, but they actually only have one true goal... and that is to find their long-lost boyfriend, Akira. Also includes the 100p story, "We Are Also In Arcadia," where Ryunosuke from "Baby Pop" plays a role.

The year is 2718 by the Imperial Calendar, and ZIPANG (Japan) has crumbled in a huge battle against Majinki, terrors from the sky that are half beast and half machine. Hurting each other, warping their morals, unable to see a future, the people strive hard to survive each day. The war wiped out 70% of the human race, but amidst the darkness arose the seven members of the XILE Tribe to bring salvation to the race. But now, 500 years later in 3218, the wicked shadows of the Majinki have once again crept up upon them. This is the story of EXAMURAI, that of the XILE Tribe, who will fight to the death to protect their love, dreams and happiness. Having survived for 500 years since the events of 2718, the final battle of the seven members of the XILE Tribe begins under this azure blue sky... Based on the members of popular Japanese band, EXILE: Hiro, Atsushi, Takahiro, Makidai, Matsu, Usa and Akira.

From Tokyopop:
In the year 184, three leaders (Yoobe, Kwanoo, and Jangbe) rose up against the oppressive Chinese government and were all killed. Now, a 17-year-old shaman by the name of Aram Ko is in search of the reincarnations of the three men. Back in the year 184, Kwanoo had saved a man's life and, in return, that man ensured that every one of Kwanoo's female descendants became a Shaman so that they could serve Kwanoo when he is reincarnated.

Mingchao, Chinese youth and orphan, travels through the "Old West" with the hope of gaining glory and fame. She rapidly joins up with a suspicious priest, Baskerville, and together they head for Hollywood.
Throughout their journey, they are harassed by tricksters and bandits. Mingchao's only memory of her late grandfather, one "Eto gun," appears to be on the minds of the troublemakers and supposedly gives significant power to the one that controls it.

Onizaki Teppei is a high-school freshman who just wants to live a plain student life, but his world is rudely shaken by a mysterious girl, Mitogawa Enma, who declares her intent to find a husband at the school!

Sousuke is the class president, and is a stickler for the rules. Lately, he's had lots of problems. First of all, he's got to deal with his cute, but unruly, childhood friend Miroku. Secondly, they have a new transfer student, Enma, who claims to be from hell. Enma refuses to follow any rules but his own. Lastly, there's the giant, mysterious claw marks that have been appearing all over school buildings. With all this trouble going on, will Sousuke follow the rules or learn that sometimes there are more important things?

In a world called Barzel exists a particular profession called Private Military Firms or more commonly known as PMFs. They take on any particular job ranging from stealing to security as long as the price is right. Lynbell, Zephyr and Vashyron joined alliances to take on jobs and have been doing decently even in this highly competitive and cut throat industry. However, lately, there has been a mysterious figure who has always been one step ahead of them, taking their jobs and keeping them from making money. And now, it seems that person is their new client.

This manga appears to be related to the video game: Resonance of Fate.

Verde, a powerful and secret organization that controls the world, has a new leader. The only thing that stands in its way is an unlikely character, Kujou Shin, the king of pessimists. He has no attachments to anything or anyone and feels no hesitation to dying. He is unwillingly dragged into a fight for the most powerful position in the world, the leader of Verde. What will his fate be?

From Tokyopop:
Coud is a young sky pirate who discovered a girl with mysterious powers on what had seemed like a routine mission. Ren has the ability to lend Coud bizarre fighting capabilities (his arm turns into a giant blade of some sort), being part of a race of beings called Edel Reid, but being the possessor of a stone called the Elemental Gelade, she has powers even beyond the norm.

Melty Blood (????????, Meruti Buraddo?), is a visual novel and fighting game, co-developed by d?jin circles Type-Moon and French-Bread, originally released at Comiket on December 2002. It is shortened as simply Merubura (?????). Based on Type-Moon's visual novel game, Tsukihime, it later spawned an arcade version, titled Act Cadenza, that was developed by Ecole Software and has also been ported to the PlayStation 2. Act Cadenza is the first Type-Moon title to receive a PlayStation 2 port. A manga version by Takeru Kirishima has been serialized in Kadokawa Shoten's Comp Ace. [from wikipedia]

Ouka is the great empire that rules over 1/3 of the world. To prevent conflicts from the other countries, they hold the battle competition once in every 8 years. In this competition, 5 candidates, known as "Patriots", from each countries are to battle against each other and the winners will be granted with fame and honor. This story follows Kurou, the boy who walks the same footsteps as his father to become the strongest patriot, along with his team . . .

Jiga Kirishima lives in a time where the only sky the people know is the color gray and most of the world is wasteland and ruins, with a few people in power depriving resources from the disorganized weak and poor majority. With his father's sword, Jiga makes friends and enemies and goes on adventures while searching for others who share his bloodline.
Jiga's sword happens to be made of a rare material which a powerful organization known as Lost Eagle Nest claims to want in order to rebuild the world, but is that what they really want it for? They'll stop at nothing to take it from him, and Jiga and his friends now have a price on their heads.

Teased unmercifully for his past as an orphan and a slave, Teito has only his best friend Mikage to ease his days at the elite Barsburg Academy - and his mastery of the magical art of Zaiphon! But even that will not be enough to save him when he discovers a horrifying secret behind the ruling Empire. Trapped in an ancient battle between a wicked Death God and the Seven Ghosts and guided by three mysterious priests, Teito discovers a power that could save the world... and shed light on his own mysterious past.

In the near future, human technology becomes centered around Mystickers, or tattoo-like stickers which are placed on objects in order to use their abilities. But Mystickers can do much more than this, a secret only "Blazers" know. A secret Daichi, a good-humored teenager with an obsession for all things "cool," is destined to find out when he suddenly finds himself targeted by people who tell him he, too, is a Blazer...

Following the Tuatha de Danaan's seajacking incident, things are back to normal at Jindai High School in Tokyo, or as normal as they get with Sousuke guarding Kaname. After finding out who betrayed Mithril and caused the seajacking incident, Kurz and Mao are sent on a top secret mission in order to capture and bring the traitor back.

However, Sousuke and Kaname's lives are about to change when they meet Leonard Testarossa, a high ranking member of a mysterious group named Amalgam. After their meeting, Leonard warns her that he would do anything to recruit her even if it means war in the streets of Tokyo.

From ADV:

Trouble always seems to follow the beautiful and sassy, Kaname Chidori. Though she is only a high-school student, Kaname is constantly the target of terrorism. Lucky for her though, the dreamy Sosuke, an undercover agent from Mithril, is one step behind her, ready to protect her at any cost. But will he be able to save her from harm every time she is in trouble?

Fifteen-year-old Otawa Ryuuichi decides to train in karate after being dumped by a girl who only liked strong guys.