From MangaHelpers: Muto Yuzuki was ready for a whole new life and a different self when she got to middle school but she didn't expect it to be literally torturous. Yuzuki is “persuaded” by an upper classman named Funaki Aoi to join the Torture Club on campus which has been secretly training students to enter the field of military and police organizations as interrogation experts. Aoi sees something inside Yuzuki and thinks she might be a prodigy in torture methods. Naturally, Yuzuki wants nothing to do with such vulgar conduct but the more she spends time with the club, the more she starts to realize her own dark potential. [vyc]

Part 1: Zeus is sick of all the hate, envy, and violence that humans cause on Earth. So he gives Priapus the important task of making all human males homosexual, in order to destroy any means of humans to leave behind children. Priapus descends to earth, meeting his first target, Ousuke Sakura. Part 2: Priapus continues the mission that Zeus sent him on. This time Priapus ends up in rural Japan and meets his next target, Honda, a police officer.

22-year-old Rin has two major problems: a complex about the tattoo-like birthmark on his butt and a crush on an older woman who thinks of him as her little brother. Rin hasn't allowed any woman to see his naked bottom since an incident when he was 7, which firmly entrenched his shame about his birthmark. When he finds his birthmark may grant him mystical powers over the opposite sex, will he finally be able to use his butt to his advantage?

It's a super weird and funny stories about a sex-addicted son of the devil king....

From Viz: Deep in the heart of 19th Century London, a young nobleman named Cain walks the shadowy cobblestone streets of the aristocratic society in which he was born. Forced to become an Earl upon the untimely death of his father, Cain assumes the role of head of the Hargreaves, a noble family with a dark past. With Riff, his faithful manservant, and Mary Weather, his 10-year-old adopted sister, Cain investigates the mysterious crimes that seem to follow him wherever he goes.

In the year 1863, a time fraught with violent social upheaval, samurai of all walks of life flock to Kyoto in the hope of joining the Mibu-Roshi--a band of warriors united around their undying loyalty to the Shogunate system. In time, this group would become one of the greatest (and most famous) movements in Japanese history... the Shinsengumi! In 2003 Kaze Hikaru won the Shogakukan Manga Award for shoujo.

Yearning for of the world of erotic novels, Shiina Keisuke triumphantly joins the business as an editor. The author he yearns to work with is Kuroki Chihiro, however everyone is afraid of her because she is a devil to work for.

The action story revolves around battles over money between three woman: a "passionate psychedelic revenger" named Nami, a "china dress-wearing killing machine" named Je-Mao, and a female gang leader named Shinobu Aza.

A series of side stories focusing each of the Gold Saints from Saint Seiya: The Lost Canvas exploring their lives, mostly events which occurred before those of Saint Seiya: The Lost Canvas.

From K.I.S.S.: Shinichirou would rather spend his life playing games on the internet, but sadly he's a heir to a company. His grandfather deems his current life-style unfit for a heir, so he throws him into a house with eight young and beautiful girls. What's more, within one year he'll have to choose one of them as his bride. What will happen to him now?

With Madoka Kaname's sacrifice, the hopeless cycle that once bound every magical girl to a terrible fate was broken at last. Still, the magical girls fight on against the dark magics that threaten the human world, which remains ignorant of the brave girl who saved them. Only Homura remembers her dear friend Madoka, a burden she has borne in all her battles since-right? Then how is Homura still going to school with Madoka, fighting alongside her, laughing as if nothing has happened? As her tragic memories return to her, Homura realizes she must not be in the real world, wonderful as it is to see her friend again. But if she is indeed trapped in a magical space, who among her magical friends could be the cause?

From Viz: Teenage boxer Ginji died and got himself reincarnated as a penguin to stay close to Minako, the girl of his dreams. Now, "Gin-chan" must perish of natural causes to be restored to his former self...

Paraizo is a 4-koma manga filled with sex jokes by Dowman Sayman, an artist with roots in the doujin scene of Japan.

Under Grand Hotel is the inmate's name for a prison in the US. Sen is a Japanese guy who has been imprisoned after killing his lover's husband. Sword Fish is the leader of the prison. Sen needs Sword's protection, but can a love story work in a prison?

Last Order starts when Desty Nova's nanotechnology resurrects Alita in the floating city of Tiphares. The town 's black secrets are viciously exposed, but it seems to be a little portion of a world that is complicated. Going into space with old and new companies to learn more about her forgotten past and equally, to look for her lost pal Lou Collins, Alita is caught up in an interplanetary battle between the main powers of the solar-system that was colonized. On the way, she forms an alliance with three of the Alita Replicas that have now started to believe for themselves, an unsavory superhacker, and Nova himself when she enters the Zenith of Things Tournament (Z.O.T.T.), a fighting contest held every 10 years. Including the way in which the Earth appeared from a cataclysmic impact winter that wiped-out the majority of the public throughout the length of the narrative, more history regarding the setting of Battle Angel Alita that had not been disclosed in the earlier string is shown.

From MangaHelpers: Nanako is an athletic and free-spirited girl that excels in every sport she does. Many of the sports groups at her school request her assistance at important matches. Where she excels the most is when she finds herself in a bind that will strip her of her clothes, while Keisuke Kawara ogles. You would think Kawara is the luckiest boy alive until you see the end result of Nanako's "accidents." [DrCoke]

Japanese-American Mizuki has gotten herself into a high school in Japan... but not just any school! To be close to her idol, high jumper Izumi Sano, she's going to an all-guys' high school... and disguising herself as a boy! But as fate would have it, they're more than classmates... they're roommates! Now, Mizuki must keep her secret in the classroom, the locker room, and her own bedroom. And her classmates--and the school doctor--must cope with a new transfer student who may make them question their own orientation... Chapters 2 and 7 of After School are untranslated.

A Keio College (top notch Tokyo college) exam candidate, Touma Inaba, is interupted when a cute young girl, Urara Kasuga, arrives at his hotel room door. She later turns out to be his cousin who he barely remembers from his childhood. Urara, who had felt something special for him (an other-than-cousinly-love), invites Touma to live with her since he has no place to stay other than the hotel room. Before taking the test, Touma meets Meiko Yotsuba, a beautiful, sophisticated woman also trying to get into Keio. Meiko gets into Keio but Touma does not, due to a cold Urara had given him shortly before. Although he did not make it, he pretends he does to earn the respect of Meiko. Touma is caught up in a love triangle with Urara and Meiko, while struggling to keep Meiko believing he's really a Keio student and still be there for Urara at the same time.

Kondou Takeshi is a new rookie police officer who now works to capture criminals of all different kind working together with Miki and all the other police officers which seem to be all women.

Jung Jae Ih, 19 years old, is the Jiang of Sao Sung High. She is strange and very interesting, and of course her love life is not a boring one either…

Highschool of the Dead is set in present day Japan, starting as the planet is hit with a fatal pandemic that turns people into zombies, euphemistically referred to from the primary characters as "Them" (?? Yatsura?). The storyline follows a number of highschool students (as well as the college nurse) as they cope using a world-wide catastrophic event called the "Outbreak". They also have to confront the further risks of social fall, in the kind of dangerous survivors, and the potential decay of their particular moral codes as the cast attempts to survive the zombie apocalypse. Beginning in the HS, the pupils getaway into town at the place where they have to cope with his pupils and a tainted teacher. They get a dog as well as a small girl, and assess for survivors in their houses. Afterwards, they finally make their way to an elementary-school which is allegedly a secure zone, go through a police station, and last in a shopping center.

Updating

A new teacher enters an all-girls high school and as he tours around he sees a female student sleeping in a classroom. When she wakes up, however, she suddenly kisses him...

Partake in the horror, the terror, the bloodcurdling madness of the serial killer mind, and the one who dares exterminate them! Except it's a comedy horror. Anyway, contains explict blood and gore, so you have been warned. -Taken from Iryuu.net