Fall from a building, fall in love.
Shinji was a high-school guy without a future.
He went up to the roof of a building with plans to jump, only to run into his beautiful teacher, Shinanoya-sensei!
Then she made a shocking proposal that would change Shinji's destiny...
An exuberant tale of double suicide from the pen of a genius!!

Han Se In finds street fighter Moon Ji Soo on the street. When she tries to help him, he tells her to go away. Se In wants an apology but Ji Soo won't give one. She then slaps him and runs. Moon Ji Soo wants revenge...

From Nakama:

A strange household made up of two divorced fathers with a child each. As the children get older, they start to become aware of the strangeness of their own household…?! Following the popular BL about fathers with children, “Kodzure Ookami”, the children become the main characters as we follow their growth, in this long-awaited next volume! Also, a straight-laced tax counselor who is also an idol otaku, and a show pub owner of questionable identity (only half Japanese and also an onee); their fateful meeting and subsequent circumstances. This is the well worth-reading 3rd compilation in the series of this author.

Mayama Haruki and Himemiya Tsukiko have been childhood friends and neighbors for as long as they can remember, but after a girls-only meeting in fourth grade, Himemiya distanced herself from Mayama. Now in their 2nd year of middle school, Mayama has become an ero-freak who specializes in harassing Himemiya. Determined to unravel the greatest secret of girls, what happens on "that day", Mayama follows Himemiya and uncovers.

The hilarious misadventures of the "Sket Dan"; a couple of high schoolers who help out people as part of their club activity: Himeko, the hot-headed ex-delinquent with a soft spot for cute things and a taste for strange food; Switch, the brainy otaku who only talks via a computerized speech-application; and Bossun, the atypical leader of this looney bunch, with the amazing power to... concentrate very hard!

Sket Dance won the 55th annual Shogakukan Manga Award in 2009 for best shounen manga.

N/A

This could be any girl. Imagine being a heroine of a love story. Hatori also believed that one day she would get married to her childhood friend, Rita.

But that's not how the world works! This is a hilarious comedy that honestly paints a painful unrequited love story of this young girl!

1-4) Ai ga Love Shite You nanosa
Oono is unable to properly do his uniform check job because his adoration of Takeuchi distracts him, and Takeuchi mistakes this for Oono hating him and is sad at the idea of being disliked by the model student. Thus, Takeuchi is relieved and willing to reciprocate when he finds out that it isn’t hate but instead love that makes Oono so very awkward around Takeuchi.
from hazukashiikedo

5) Shiritsu Koukou Hetarebu

6) Nare Somehen

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 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!

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.

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.

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.

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?

A young man wakes up to devastation that could only have been caused by WWIII. Knowing he might be the last man alive, he sets off to see if he can rebuild the world.

Although a 19th-century philosopher once said that "God is dead" (It was Nietzsche) the Rakia story has God descending to Earth in the 21st century and assuming the form of a girl. ("Rakia" is the Hebrew word for the skies or the firmament.)

1-5) Stay Gold
After a failed attempted at bleaching his hair and ending up in a fight on the day of the entrance ceremony at his high-school; Ken is already off to a bad start with a bad first impression as nothing more than another delinquent.
Mizuki, Ken's best friend and secret crush, was the only person he met after that not to label him negatively just because of his appearance, but maybe that's because neither is Mizuki just the cute and innocent guy he appears to be.

6) Kamu (I'll Bite)
Warning: non-con/rape
They've been childhood friends since they were nine, but ten years worth of feelings suddenly break out and one of them crosses the line.

7) Slave of Love
Warning: non-con/rape
Riku just wants to find love... but every time he gets a girlfriend, he's quickly dumped - one time within 10 hours! The only one who will listen to his love problems is Arata, his super popular best friend... but could Arata have something to do with his love problems?!

8) Ultramarine Sinbad
Tomohiro and Shigeru are happily dating with lots of hot smex.... the only problem is, Tomo doesn't know if Shigeru loves him or surfing more. He tolerates Shigeru's selfishness, telling himself to be mature until one day Shigeru pushes it too far and he snaps.

8.5) Soldier of Love
Short story about 27-year-old Ichiro and his boyfriend Haruya who's 10 years younger.

From Shoujo Manga Maniac:
Mimi has given birth to a son, but she won't let motherhood tie her down. She's just as fierce and independent as ever. She's determined to find out what happened to Yuan Qing, her husband and the father of her child. According to the rumors, he was killed in the war, but Mimi knows he's too crafty to let himself get killed.

Keiichirou Mishima is a 15-year-old guy living with his mom until she suddenly decides to fly to Paris to be with Keiichirou's dad. His mom arranges with his uncle Shirasaki to let him stay at his mansion with his two cousins Marie and Tomari, who he met many years before when he stayed with them for a short while. However, Keiichirou has forgotten nearly everything about back then, including why his cousins apparently now hate him.