Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student Shuusuke, see her as a woman. So determined, that she goes as far as going into his room to throw away all his non-incest related porn. But as she's looking for his porno stash, she finds a photo album... and she's not in any of his childhood pictures. What is going on? Reading direction: Right to left

From Kirei Cake:

The colourful story of Aya, Hina, Kei, and their classmates, trying to figure out the mystery behind Risa's sudden disappearance. It all begins with the discovery that her disappearance has some correlation to the online dating site called "Amore." Hina proposes that they should try out the site first-hand themselves, and upon doing so, they encounter something completely unexpected?!

[Otome Cafe]:
Resides around the friendship of shy girl Koyuki, School's beauty Nagisa and Student Council President Shin. Will a triangle be made? and what madness will come from the School Festival 'NO. 1 Beauty' Contest? plus other stories~

Includes three side stories:
1) Iki mo Dekinai

2) Konna Hi wa Kimi ni Furetai
I came to the rooftop, wanting to be alone. Then one day I met...

3) Sekai Gijinka Keikaku

Amano Keisuke was born under a special star. Ever since he was young, he has encountered thousands of "lucky sukebe (ecchi)" situations that tend to have him end up being slapped by girls. One night, a falling star crashes into his house. The star turns out to be the magical angel Lili and her sidekick Chapi. They have come to save the world from the 100 demon lords that plot to destroy humankind by utilizing the secret weapon hidden inside Amano's pants?

From Yen Press:
No matter how much the times change, bullied kids aren’t going anywhere. And fat junior high school student Haruyuki is one of them. But one day, Haruyuki encounters Kuroyukihime, the most beautiful and elegant girl at school, who gives him a mysterious program: “Brain Burst”…and the secret of the “Accelerated World.” He may be at the bottom of the food chain at school, but Haruyuki and his destiny begin to “accelerate” with incredible speed in the virtual realm as he aims for the top.

From MangaHelpers:

Another version of the story of the Inspectors and Enforcers from Psycho-Pass, but this time in chibi style! All of the main characters are now in chibi form, and are attending a "Psycho-Pass Academy," which is basically a chibi-fied version of the scenario of the original series. New student Tsunemori and her classmates will use their Dominators to keep their school's peace! [tethysdust]

From the author of Necromancer.

Iori Shijima, an ordinary high school student blessed with a good, common life. He has a cute childhood friend, lots of friends he can rely on, and a nice and beautiful mother. Additionally, his grades are good and he has a solid future plan. However, one day "transcendent beings" called ĀTRAIL appear on Earth, and Iori's everyday live crumbles as he learns about the secrets of another world and the meaning to his own existence.

A collection of stories:

From Lililicious:

1. Cosmos no Saku Niwa (The Cosmos Garden)

2. Goshujin-sama to Issho (Together with Master)
A "PET" is a love animal, created for the express purpose of pleasing their master. This is a short story of how one PET became endeared to her master, and vice versa.

3. Kuchinashi (Gardenia)

4. Sakura Buntsuu (The Cherry Tree Correspondence)
A sweet story set in the Taisho period.

5. Hare ni Mau Yuki (Snowflakes Fluttering Down Through the Clear Sky)
A love story about a princess and a knight.

6. Hoshi ni Negai o (Wishing on a Star)
Two friends deal with grief.

7. Sakura Buntsuu - After Story (The Cherry Tree Correspondence - After Story)
Another pair of girls begins exchanging letters.

From Impossibility:

This is the story of four high-school students whose family name happens to be Kobayashi that end up in the same class. No Kobayashi is similar to another Kobayashi and in fact, three of them are considered something similar to the Bermuda triangle. Anybody who gets near, ends up... well... that's better left unsaid.

New student Kobayashi Yamato is not afraid however, and already considers them like brothers and sister! Will his naive youthfulness be crushed forever? Will the everlasting power of "always happy attitude" overpower the famous trio? Will anybody survive the year?

A young girl idolizes the world-renowned S-ranked butei Kanzaki H. Aria and plans to follow in her footsteps. However, her test grades her out as only an E-rank! All is not lost, however, as Aria agrees to give her some pointers. Can Aria help this newcomer become a first-rate butei?

Nanase Sakashita is good at playing the role of model student but that doesn't stop her from taking an interest in Hana-kun, the school's delinquent. Hana-kun accidently drops a small box while sneaking around on the school grounds. When Nanase tries to return the box, Hana-kun tells her to keep it for its already too late to give it to the person he likes. Who is this person?!

From Kirei Cake:

Alice is a senior high-school student who lives with an uncle that spends his time tormenting her everyday. One day, Alice witnesses the death of her uncle by the hands of an assassin called "Kumo" (Japanese for Arachnid). She then falls unconscious, and upon waking up, she finds out that she's in Kumo's house... Now, this Alice who no longer has any family and is being raised by the assassin herself.

Enatsu is fascinated with cool and aloof Toba. He's rebuffed her 13 times, telling her he hates girls. Enatsu finallly manages to get Toba alone with her and hugs him. To her surprise Toba's personality changes and he almost rapes her. A book falls on his head and he changes back into the Toba she loves. She pretends they went all the way and extorts Toba to be her boyfriend. But what if he finds out nothing happened...?

In middle school, Ichinose Kimitaka taught his friends how to play basketball. Despite his experience with the sport, his friends quickly outmatched him in skill. After an incident brought on by his frustration and jealousy, he was crushed to overhear those same 'friends' discussing how they wished he'd just kill himself.

On his way to toss out his special basketball shoes, he met a girl who was just as frustrated, throwing her own dancing shoes away. She was so tall, and her hands and feet are so large, that she had been rejected from her chosen hobby of Spanish dancing. He urged her to give basketball a try, and the two exchanged their shoes instead of throwing them away.

As he enters high school, Kimitaka learns that meeting him changed that girl's life for the better, and she is now a happy, social basketball player. Will Kimitaka be able to find the courage to make new friends and pursue his own talents?

Part 1:
Urushiba Rinka was a fairly normal high school girl, though she was a bit poor and her only family was her father. Then one day, she saw a penguin and some glowing fish swimming through the sky. Rinka might have thought it was a hallucination if there hadn't been another witness with her, a boy from her school with a strangely scratched-up face.
Contact with a fish caused her to pass out, and when she awoke, she had developed the power to move through inanimate objects... such as the floor of her apartment! Later, a call from her father showed her that she was not the only one the flying fish bestowed with hard-to-control superpowers! What exactly is going on here? And does Rinka's classmate know more about this situation than he's letting on?

Part 2：
It's now one year and four months after the battle with the professor

Hazuki Kanon is your average female High-School Delinquent. She is often late and skips class in the nurse office, occassionally talking to the male nurse BJ (Kuronada Jun).

Tamaki Daiji likes to film stuff that captivates him the instant he encounters it, disregarding consequences. His friend Kihou Tomoka tries to snap him out of it, whenever she sees him stuck while he is late for something else.

One day Kanon catches his interest while she stands on the roof of the opposite building. After asking Tomoka, he decides to head to the infirmary where Kanon sleeps occasionally.

Kanon wakes up to some strange guy filming her. He even has the audacity to call her "thumb-suckling while sleeping" cute and captivating. So she decides to let him keep the footage if he promises to keep her secret.

From DrCoke at MangaHelpers:

Eight years ago, a girl went missing while playing hide-and-seek in the forest. Starting around then, instances of 'labyrinths' started spawning in random places, which led to an increasing amount of missing people. Kaori was one of them, when she was never found after the game of hide-and-seek she played with Shuhei. Now, eight years later, Shuhei still feels guilty for the loss of Kaori. He feels as though he, too, should be dragged into these 'labyrinths' in the search for his long lost friend. Now, he found an opening into the labyrinth. In it, he begins his search for the truth behind this phenomenon!

Interpretations of Kakifly's K-ON! 4koma by various other mangaka.

Kokuryuu Kaguya was only a little boy when he witnessed his father murdered by demons. He spent years trying to convince people about what he witnessed, but was dismissed as a traumatized child with an over-active imagination. Now a teenager, Kaguya still remembers what happened.

One day, Kaguya is struck by a mysterious light and meets a young girl named Mao—a skillful warrior wearing bunny ears—who rescues him from a demons' attack, then demands to know what planet he's from! Kaguya finds himself inducted into a secret organization of other-worldly individuals whose goal is to defend Earth from monstrous invaders. Reborn as a Battle Rabbit, strange powers awaken within Kaguya which allow him to fight these creatures and seek vengeance for his father's death.