From Yen Press:
A mysterious illness is spreading rapidly through the halls of Fujimi High School. In a matter of hours, the campus is transformed from a place of learning into a hive of nightmares, as the infected students collapse and are reborn as flesh-hungry zombies! Only a handful of students escape the initial outbreak — among them Takashi Komuro and his childhood friend, Rei. He manages to protect Rei from the initial onslaught, but how long can Takashi and the other students hope to survive when the whole school – maybe the whole town — is out for their blood?!

Amamiya Shinnpei has been saving up every penny he can for the past three years while working at a car repair shop ever since he finished junior high. Finally, he saved up 1,000,000 yen to take back his stepsister from family relatives. He reunites with his sister after three years and they start living together. However, their newly started lifestyle is ruined by troubles that continue to occur.

A childhood friend Hoki, an aristocracy girl Cecilia, a transfer student Rin, a “boy” Charles and a slightly creepy girl Laura—a four cell slapstick comedy manga full of laughter and tears! ---- Vera

Compilation of short stories:

Hotel since A.D. 2079:
It’s an updated version of 'Hotel – since 2079' (korean version) with a different ending. A computer continues to live on in order to complete a mission in a world where all life, including Mankind, has gone extinct. This is a record of those 27 million years of its heroic struggle.

Present:
Hanako suffers from a terrible disease. After awakening from a deep slumber, Hanako has only three days to live. During those three days, her husband, Takao, must endure a heart-breaking experience, knowing that the person Hanako really loves isn't him.

It was all for the tuna:
Tunas went extinct and Jun Shiozaki will do everything possible and imaginable to bring them back. A perfect mix of Sci-Fi and Humor.

Stephanos:
Set in modern-day Japan, our main character Noriko finds out that she is pregnant with her lover Matsumura’s baby. He, however, is an important doctor with a family and everything already. Noriko wants to have the baby, but Matsumura says that it’s actually a rapidly growing cancer and that they have to remove it immediately. It might also be neither of these things…

Diadem:
A quest for freedom led by Lilith.

Note: Won the Gran Guinigi 2011 for the Best Short Story for It was all for the tuna.

Majima Rei is a practitioner of a martial art born from the battles in the Sengoku era, the Jinnai style jujutsu. During middle school he was a delinquent but, when he became a highschool student, he swears that in order to surpass the one said to be the strongest practitioner of the Jinnai style in history, the 8th head Jounouchi Masashi, he will become the strongest martial artist in the world. For that purpose, he battles against various types of martial arts and fighters.

From SCX-Scans:

Once upon a time, there was a courtesan who fell in love with an impoverished Noh-mask maker. However, when her lover rejected her, the courtesan threw herself from a bridge in dispair. She left behind a note cursing him and his descendents. In current day one of that man’s decendents, Izou, discovers that the guardian mask at his temple has cracked and the ghost of the past has come back for her lover.

Sayoko was just reading peacefully in her backyard, waiting for her relative Iyahaya Nantomo to arrive, when some homeless kid in a large overcoat suddenly comes in and says he's Iyahaya Nantomo (?) and runs off. The guards catch him and bring him in, but then it's revealed they've made a mistake and technically kidnapped him! So to save face the boy has to pose as Iyahaya Nantomo...or else!

Prequel and side stories from the main story of Needless Manga. Volume 1 also contains prototype one-shot "NEEDLESS 1.5".

From CoyoMoose:

Amushasu, of the Alaturca Alagun performing troupe, believes in magic created by talent and hard work to reach the hearts of his audience. He does not have any respect for the magic of genies, though he does happen to own a very dissatisfied one named Mayu. His faith in his ability to sway a crowd is threatened, however, when he comes across a beautiful young lady whose heart appears to be untouchable.

Set in a fantasy world based on ancient China, the story is about Fuuren, an armless Defender. Defenders are people who will complete their mission or assignments no matter what. If they accept them, that is. Fuuren has been called to a small town that is about to be taken over by the Ka empire, and they wish to hire him to help their armies defend their little town. However there is a little bit of intrigue within the town itself, and Fuuren accepts a different task altogether…

From Baka-Updates: Ineffectual high-school teacher Kakenshi catches his (male) student Nakamura using school computers after-hours to make naughty crossdressing webcam shows. Kakenshi persuades Nakamura to stop, but only because Nakamura has a new hobby: seducing Kakenshi! Will Kakenshi surrender his heterosexuality and give in to his cute crossdressing student's affections? An ecchi rom-com aimed at crossdressing fans, from the boys-in-skirts (otokonoko) magazine Oto?Nyan.

Taglines:

Do you want to know this transfer student's secret?

Are you going to fall in love with the world's most cheerful little girl?

Tomas has a very very hard sucking life. After years of humiliation from two bullies from the school, he finally has his give it back: he calls a number that offer a service of 'beating bullies for money'. But the dumbass dials the wrong number and the call goes to a expert and pro assassin's agency. And thinking he's calling right, Tomás gives all your personal information and makes the deal. Then Jack, a clumsy weird assassin comes to 'protect him', making sucker Tomás' rotine a little more suckered...

Jutten! is about a boy who goes to his first day of high school, thinking it'll be full of awesome (pervy) meetings with sexy girls and whatnot, but instead has a lot of bad luck and gets peed on by a dog--amongst other things. A girl who uses her bike to drive over his ass sorta helps him and gives him a handkerchief with a 10 yen coin in it (hence the the serie's title) and ... very plausible stuff happens afterwards.

Ikagawa Tokage is a boy with a superpower. He has the the ability to change the color of his eyes whenever he closes and reopens the eyes. Kinda useless, right? Regardless, Ikagawa Tokage strives to strengthen his power in an effort to become the strongest and not have his power be nothing more than an arrow to the knee. With that desire in mind, he trains daily in an abandoned building in modern day Tokyo. But on one such day, he comes to what looks to be a scene of a crime and feels the culprit might still be nearby. Will he make it out of the abandoned building with a broken knee? Is there more to his power than meets the eye?

Kagura is a professional slacker with nothing but a part-time job and cram school to keep him company. When a little girl suddenly shows up in his house one day, he thinks things can't get any weirder... until she starts calling him "Daddy"! It's hard enough taking care of an ordinary child, but Kanna -- who doesn't speak his language, isn't from his dimension, and has hordes of evil minions hot on her heels -- is anything but ordinary!

Girard and ViVi are special government agents known as "Right Arms" whose job is to seek and destroy people who have become infected.

In their world, a weird virus that turns people into monsters has run rampant. The only way humanity can survive is to keep tight control on the infected to prevent the spread of the virus. If the virus' symptoms appear, the person must be disposed of. It's a tough world where even children must sometimes be killed to give humanity as a whole a chance to survive.

Tetsunosuke Yamabuki enrolls in the police to follow in his fathers footsteps. Some events lead him to discover that his father might have had links with a secret branch called the death brigade, and he is led to enter it himself. Wacky adventures and hilarity ensues.

About a middle-school girl and her super aging pills.