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.

Saitou, a rather arrogant kid, announces his super power to his class on the first day of high school. He imagines that it will make all the girls swoon, and he'll be crazily popular. Unfortunately, his ability to bend a spoon looks more like a cheap trick than a super power, and everyone laughs in his face.

Soon he learns that he is not the only kid with superpowers at the school, and there is even a Super Powers Research Club. He soon finds himself dragged into the society of a friendly invincible girl, a violent telekinetic girl, and a mind-reader. Rather than being swooned over, Saitou appears to have the least impressive ability of the group! Is there any way for him to get the happy high school life he was hoping for?

From Chibi Manga:

A story about a sadistic love interest!! A desperate and clumsy high-school girl entered a famous high school in order to be close to her "Prince." Hiroto may be a prince, but he's also a self-conceited arrogant man! Anyhow, Mitsu is still in love with Hiroto. Will Mitsu be able to get Hiroto's heart even though he only thinks of her as a mere “parasite”?

From Sound of Jewels:

She entered in that expensive school because she wanted to meet the prince of this school.
But then she became his target and it looks like this boy is in fact really sadistic! What will she do...?

Otonashi-san has just transferred into a perfectly ordinary high school.
Silent and impassive, she's actually a kunoichi, a female ninja! (Not that she hides it well...)
See what a ninja, the famous traditional Japanese hero, would be like as a high school girl in this off-beat, four-panel manga!
Don't miss Otonashi-san's quirky appeal!!

A calm, quiet life at a new school is just what Aria needed. Unfortunately, it's not what she got! Chosen as Student Council President on her first day, Aria's attempts to just fit in are ruined by her nosy new classmates. Since she can't beat the use of her mocking former nickname, "The Lovemaster" she decides to go with it and turn the Student Council into a dating service! That's great for the school, but will Aria ever solve her own love troubles?

From Badam:

Izumi Koutarou's family have lived in Izumi Hot Spring for generations. But the spring suddenly dried up a couple of years ago, resulting in a huge family debt. As they prepare to skip town to flee from debt collectors, the guardian deity of the house, Konoha-sama, appears. Konoha-sama, (who was supposed to be a really fearsome god), appears instead as a cute girl--wearing no clothes. What will happen to their family debt problem? And what is the power of Konoha-sama?

Yaneda Shigeru is a guy living alone with his cat, Konbu, until she turns mostly into a human (she keeps her cat tail and ears) for unknown reasons. Though to Shigeru, this isn't a problem; he has a cat-girl fetish. The problem is, Konbu is stuck-up and wants everything to be elegant to fit her high-class tastes, even her name to be something more high-class. So, they each want to mold each other to their tastes; Shigeru an elegant butler, and Konbu an obedient, cute cat-girl. Will one of them win, or will they come to some sort of mutual understanding?

First princess in line to the throne of the Principality of Rivetaria, Lena Reena Rene Risheranto, is an overseas student in Hyuuga Nobuyuki's class. She has silky blond hair, clear blue eyes and a childlike face on a developed body and her personality is that of the ideal princess.

In order to pay for the debt that his parents left behind, Gin accepts an escort job from the bill collectors of the Tokugawa Group conglomerate. The client is a girl named Hikari who goes to Tokugawa Private Academy. Using the experience he gained from his previous part-time jobs, Gin protects Hikari along with the other escorts, Suke and Kaku. However, Hikari seems to have a hidden secret...!?

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.

Minazu Aruto loves reading novels and short stories so a classmate recommends a club that the school has called Philosophia. The classmate doesn't really know what the club is about but the name sparks a curiosity in Aruto and he decides to find out what it is.

He goes to the old library on campus where he meets and is introduced to all three members of the group: Tomoe, Takaho and Kaede. Still without knowing what the Philosophia club is about, Aruto finds himself joining what he thinks is a literature club.

A collection of two stories:

1-3. Hoppe ni Himawari
A story about a cute chubby guy in the gardening club who admires his classmate, the baseball team captain.
- Acme

4-8. Fukai Mori
A story about a part-time cellist player at a bar, and a reunion meeting with his uncle, a freelance designer.

It's the story of a high-school girl, Hibiki, who falls in love with one of her teachers. The two start dating, but run into a lot of trouble. Hibiki's friends cover for her, and part of the story is also about them.

Also included is a story called Tomodachi Nante Iwanaide in volume one:

A short story about Kumiko's five-year unrequited love to Kanata. Kanata has always seen her as the girl who ate a beef bowl and a good friend. Will that finally change?

Every day Sakuta Gotou likes to zone out to his favorite band, Incest, because it makes him feel at ease. However, this band is very secretive and has yet to have a live performance. Now, when the chance comes to Gotou to see his idol Iive, the band's singer, on stage, he finds out that she is the new transfer student in the classroom next door... and to make this even better she stops the concert and grabs him saying, "I've wanted to see you." What is he going to do now?

The story set in the contemporary South Korea. Some 30 years ago, unidentified creatures appeared out of nowhere and have attacked people. They have caused massive destruction wherever they go. The monsters are called "Trouble", and get the world have fallen into chaos. Along with the first appearance of the "Troubles", some number of humans were born with or acquired supernatural abilities. These mutants called "Trace" are the only ones who can fight off the "Trouble". The "Trace" are also considered freaks and generally shunned by the community because some of them misused the powers for their own interest. TRACE Season 1.5 - Communicator Webtoon from Daum

From StarryHeaven:

Anjuu Sendou is a nice girl who just started her first year in the Seiryuu Academy Middle School. She is currently living away from home as a boarding student with her pet named Lime. Her father is a sorcerer and her mother is an expert in Chinese kenpo. They are both famous, especially her mother who is called Dragon Momoka.

Because of her mother’s fame, the executive committee wants Anjuu to join the student council. But the council’s president thinks that she is a weak girl, so to prove him wrong she decides to catch the school thief. When things get difficult and she wishes to become stronger, her pet suddenly transforms into a small child with wings (a pre-dragon form, because Lime isn't fully grown) and tells her about her power.

The next time the school thief appears, Anjuu, with the help of Lime, transforms into a new Saint Dragon Girl, defeating the enemies and becoming the school’s protector. Will the student council’s members find out the true identity of the warrior girl? Will Anjuu be able to keep her secret?

From Hoshi Kuzuu:

Out of the blue, childhood friend Takaoka confesses to Iwami! When popular playboy and ladies man Takaoka says "I love you", he doesn't believe it one bit. Is he making fun of the virgin!? A modern high-school boys' adolescent love development!

Honjou Naru is an 18-year-old young man studying at Libre University. For his entire lifetime, he never once had a girlfriend. This is because of his abnormality, his narcissism, which only happens if he sees a reflection of himself. To prevent that, he needs to wear contacts all the time. One day his contacts fell off and was step on by the most handsome guy in the school, Takashina Mamoru! This chance encounter would change his life forever...

From Viz:

Haruna Aizawa thinks that school life is just like a monkey mountain--all the monkeys form cliques, get into fights, and get back together again. The school that she just transferred to is no exception. There's even a boy called Macharu Yamashita who reminds her of a baby monkey!