From Viz:
Mimori Kosaka's dream comes true when she's accepted to the Meidai Attached High School and gets to wear their super-fashionable uniform! She's excited about having a fun freshman year of high school, but things don't turn out as effortlessly as she had hoped.

Includes the following side stories:
Volume 1: Basically Pure-Hearted
Volume 2: Kiss the Mike!

A lightly paced manga about two girls who live together. A classic odd couple setup featuring a responsible character with a caring atmosphere and a more free spirited musician who has trouble both feeding herself and paying the rent.

From today, Meguru Kinosaki is a freshman in highschool. But it's not only that she hasn't had a first love yet; she's in fact a clean girl who's never been in touch with any guy apart from her older brother Toshiya. With this pure Meguru, her classmate Yuuma falls in love at first sight. He starts a determined attack, but the over-protective big brother blocks his way! Now Meguru's days start to turn around between a big brother with a sister complex and a pushy boy...!?

Two boys, Mitsuhashi Takashi and Itou Shinji, meet each other at a salon. It turns out both boys are transferring to a new school and decide to take the opportunity to reinvent themselves. No longer will they be run of the mill high school students, they will become the biggest delinquents Japan has ever seen!

From Bliss:

While buying food at the supermarket, Sunao Morihara gets kidnapped by a strange man, Kuon Tachibana, who turns out to be incredibly rich! His motive? He wants Sunao to be his friend. However, before Sunao realizes, being Kuon's "friend" actually means becoming his wife!

Two Brothers are climbing a mountain to learn a secret fighting technique from an old man. Three years later they are returning to their village ...

Kyoko Suomi is the princess of Earth in the 30th century. Kyoko goes to school among the commoners, unwilling to reveal her true identity and ascend the throne. The king will allow Kyoko to live as she pleases if she can revive her twin sister Ui, who has been trapped in time since birth.

From Shinnen:

The Hachiouji family hunts demons in the darkness. The heiress of the Hachiouji family, Takamichi, lost her older brother at a very young age. She isolates herself, but, one evening, two werewolf pups are given to her. After just a few years, they have grown quickly, and they even go to the same senior high school that she does!

After his happy-go-lucky lovestruck parents suddenly decide to go on an amorous traveling adventure, Yuki is shuffled off to live with one of his dad's old friends. He knows very little about his new living circumstances, save that his dad's friend is an author with three children.

Something seems a little off about the girl who's sent to meet him, the fidgety and overly anxious Aya, but he doesn't fully understand what's going on until he arrives at the house. Yuki, who has had very little to do with women thus far in his life, is now set to live in a house with four of them. The head of the house is actually an author of erotic novels, and she habitually forces her three daughters into embarrassing sexual situations. How will Yuki cope with his new life?

The main character Totoki is an ordinary high-school student who leads a mundane school life.
One day, a mysterious, primitive girl, Cherry appears before Totoki! Whatever Cherry does is a mammoth class! Because of that, Totoki is being thrown around mercilessly! Is Totoki's normal life gradually changing?!

Every day is boring, too boring...
Until a witch casts her spell on it?
Masa, a second-year student at a third-rate art school, draws because he doesn't know what else to do with his life.
Then he meets Aoi, an attractive first-year girl, who seems, somehow, like she might be a witch.
Will Aoi and her secrets light the fire in the gloomy Masa's heart?
Though it doesn't seem much like living, life goes on, as young men yearn only for yearning.
Though every day seems so inconsequential, the special spark of that time of life defines what it means to be young.

Ichigo is out on a date with her crush when suddenly she's involved in an odd incident in which her DNA is merged with the DNA of an almost extinct wildcat. When four other girls' DNA is merged with the DNA of four other almost extinct animals, it's apparent that they're part of a much bigger plan. Ichigo and her friends have been chosen to become a part of a secret project called the "Mew Project." Their mission: To protect the planet from aliens who are using the planet's animals to attack humans.

Her parents are getting divorced, so Mikuriya Natsumi has to transfer to a boarding school in the countryside and live in the dorms until she graduates from elementary school. Meanwhile, her mother's in the US arbitrating with her soon-to-be-ex husband.

Natsumi is at first cold and rude to her dorm-mates and prefers to keep herself from associating with them too much, but as she learns about each of the other kids' complicated circumstances and gets into all kinds of scrapes with them, she warms up to the place bit by bit. Of course, the dorm manager and her uncle, Mikuriya Takurou, being an excellent cook and all-round stolid presence helps! Still, cohabitation's tough...

After the ninja abolition act was passed in Japan, ninjas were forced to relocate. How will 15 year-old Shinoko handle transferring to an American high school, when she can barely speak English and is still a ninja in training!?

From Inane:

Like a broken stage effect
Standing in continuous snowfall
The girl told me...
This is the last winter
A quiet ending...
It is the World End...
So begins World End Fairytale, a series with great art, and even more so, Maki Hakoda's distinctive style in both story and presentation.

Kei has a secret crush on Yuzuyu, the most popular girl in the classroom. One day, he is attacked by unknown warriors and the one who rescues him is Yuzuyu herself, dressed in a weird costume, claiming that she is his property and that he can do with her as he pleases from now on.

Nono Nekomiya, Makoto Yuki, Iori Yuzuki and Matsuri Amachi all used to attend the same school. As close friends they spent their days in peace together as part of the light music club. One day, the school they attended closed down. All students had to transfer, making the four friends end up at different schools. Before they left, they placed a time capsule under a tree at their old school, promising to meet again, with Matsuri running off in bitter anger. Upon returning on the promised date, 3 years later with no contact in between, they find their time capsule has been dug up and turned into a lost and found game by an old teacher of theirs. While following clues left by the teacher, the four begin to remember past memories of life at the school as well as old feelings they may still have for each other.

Matsuri is a girl like all the other high school girls. She likes boys, especially one called Wataru, but he hardly notices her even though she watches him like a crazy gal. "Tough girls aren't my type," he once said, and now even three street guys call her a tough chick?! Nothing too good to say to the wrestling Princess. Being this kind of princess is nothing to be proud of for Matsuri so it's a secret that she keeps from her school mates, because it's her father who wants to make her a wrestler...but what will happen when she's discovered fighting those three guys by Arata, the bad boy who can even "fight cows"? Discover it and keep track of Matsuri Special!

Furuya's obsessed with zombies. He collects any figurines, watches any movie, and plays any game with the living dead, and is even only interested in zombie girls. When his cat dies, Furuya begins trying to raise it from the dead using an ancient book of the occult he bought from a shop. But what will happen when he sees the idol of a nearby all girl's school walking close to where he conducts his experiment, wishing to die and be reborn as a different person?

Chica is packed away to sleep in an escape pod in order to avoid a deadly asteroid collision on Earth. When she wakes up, however, she finds herself in the distant future, but still on Earth. Earth is now filled with strange creatures, like flying fish. She's being cared for in a dome by an android guardian named Roy and a maid android called Silvia. She also encounters a mysterious, friendly man with cat ears, named Oboro. All the future beings are fascinated with her, seeing as she's an 'original' human, but sometimes they forget about the limitations of human lifeforms. Will Chica be able to find a place in this strange new world?