A collection of short stories published in the 40 year anniversary edition of Kodansha's Afternoon magazine, Go-Chan Magazine.

From September Scanlations:

Momozu is a frumpy, indoorsy 'hare-otoko', and sunny weather seems to follow him around, while Toyotama is a cheerful, athletic 'ame-otoko' who's constantly dogged by stormy weather. When the two meet and Toyotama convinces Momozu they should join a mountain-climbing club together, it's a total case of opposites attracting!

Note: September Scanlations has completed the main story but the remainder of the volume remains untranslated.

What will happen if a clumsy high school boy suddenly becomes the head of a company whose job is to demolish anything, but with the use of "martial arts"?

Having no choice but to take over his father's company since he went missing, Gamon needs to keep the family business running no matter what, since he now has to support his three younger sisters. What will the future hold for Gamon the Demolition Man?

Shiramine Mana is sent to live with relatives in the mountain town of Sanaemachi after failing her high school entry exam. Accompanying her is her pet cat, Sasuke, who has just been revealed to be a bakeneko. But there is more to her having been sent to Sanaemachi then simply needing to study in peace and quiet.

The appearance of a child. The years of an adult. Kounago Sensei. (4-koma)

Ao-ko Nagisa is a brand new teacher. She's posted to a tiny island on the edge of Japanese territory called Kotoko Island, 30 HOURS by boat from Tokyo. The island is so small there are only five students at the school. Everday becomes an adventure as Ao-ko gets to know her students, the other islanders and the island itself (including dolphins and other assorted wildlife.)

Specials of the Prison School manga promoting the anime adaptation of the series.

1-2. Sekinin Torasete!
3-5. Issho ni Shitemiru?
5.5. Sekinin Torasete! 2.5

From iskultrip Scans: Kokaku is a flashy, casual dressing samurai. He's always laying around, but he has no compassion for the wicked! Sneaking into gambling dens and pavilions and beating up the baddies...On top of that, how far would he go for his beloved chile peppers!? The first part of this fire breathing action packed hero's tale!!

In a land of magic and monsters, four young men try to reshape the world the only ways they know how.

Hino Akiharu lost his parents when he was an elementary student and was taken in by his uncle's family. One day, he sees on the news about the newly-established Hakureiryou Gakuin, a school which was re-built from an elite girls' school. He decides to take the exam for that school and succeeds in entering the House Management Department (the place to train maids & butlers). He wants to become a butler, although his appearance scares the ladies. Akiharu has a sinister look in his eyes, a scar on his right eyebrow, and bristled up hair. Add 3 piercings on his ears and he indeed has a typical bad boy look on him. He meets his "nemesis" at that school, Saikyou Tomomi, a girl with a two faced character who traumatized him many times since they were kids. Another girl named Cernia Iori FlameHeart chases after him because of his looks and calls him suspicious. Still, Akiharu starts finding his feet at the school and his relationships with the girls also get better...

From Lezhin:
The current world no longer has any need of special powers. Thus, witches have lost their value and are not that different from humans. That's why Misty lives a normal life with her fellow witches, Eve and Baba Yaga, while earning a living as a BL genre comic artist. One day, a mysterious group kidnaps Misty and all of a sudden their once normal life turns "abnormal!"

Asano, who works part-time at a pub, is one day confessed to by a hot, antisocial coworker, Kakei. However, even after his confession, Kakei doesn't make any climactic moves, so Asano decides to take the initiative.

As a child, Princess Taira Chiyo escaped from being captured by the Minamoto army due to the the sacrifice of her mother. Now at the age of 15, she travels the land searching for immortality. Following the rumors about an immortal named Kijin-sama, Chiyo actually finds him! But all he wants is to die?

Ever since the conclusion of Avatar: The Last Airbender, its millions of fans have been hungry for more - and it''s finally here! Think of this as the Book Four (season 4) of Avatar because it continues Aang's story from right where the TV series left off. This series rejoins Aang and friends for exciting new adventures, beginning with a face-off against the Fire Nation that threatens to throw the world into another war, testing all of Aang's powers and ingenuity.

From Dark Horse:
For three years, millions of eager fans tuned in to watch new episodes of Nickelodeon’s hit animated series Avatar: The Last Airbender. Ever since, fans have been hungry for more and now their wait is finally over. This volume collects the long-out-of-print, fan-favorite comics previously published in Nickelodeon Magazine and with the Airbender DVDs, plus over seventy brand-new comics pages. That’s twenty-six stories set in Airbender continuity, by a host of top-notch talent, many of whom worked on the original animated series. Twenty-six in-continuity stories, plus bonus content.

Book One: Water
Bee Calm
Water War
Don't Blow It
Relics
Fruit-Stand Freestyle

Book Two: Earth
Sleepbending
Lessons
Sokka the Avatar
Dirty Is Only Skin Deep
Divided We Fall
Reach For the Toph
It's Only Natural
Going Home Again
The Bridge

Book Three: Fire
Private Fire
Night Animals
Boys' Day Out
Ember Island Arcade
Monster Slayer
Combustion Man on a Train
Swordbending
No Benders Allowed
Love Is A Battlefield
Dragon Days
Game Time
Bumi vs. Toph, Round One

Bonus Stories
New Recruits
Gym Time

Mai left the palace after her breakup with Zuko, and tries to get her life back on track.

Note: This story is continued from Avatar: The Last Airbender - The Promise starting from Part 2.

Series of self published stories related to Hidoku Shinaide.

We are not sure about the timeline in Yasashiku Shinaide doujinshis and they're still sophomore. Sensei made these DJ before she finished volume 2, but all the doujinshis Maya x Nemu relationship is lovey-dovey! Perhaps they've became lovers in doujinshi?

From JManga:

"Would you like to break up with me again or be held, which would you prefer?" My former friend with the beautiful face, whom I've run into again after so long, only says things that cause me trouble. In the winter of sixth grade, Kensuke was upset about having to separate from his best friend Hasekura in middle school, and ended up breaking off their friendship. Three years has passed since then, and Hasekura comes in contact with Kensuke like nothing had changed. Kensuke was happy they could repair their friendship, but Hasekura says something completely out of left field...