Arcadia.
The game that holds the most possibilities in the world.
Humanity’s first virtual reality game, made from the cooperation between the world’s leading companies:
Ajin Electronics. Sillicoff Industries. Argos Corporation.
The shocking stories that happen within the game begin now!

[Welcome to Arcadia, the world of fantasy.]

Miharu is smart, attractive and talented. One could say he's been playing life in "easy mode". That is until a teddy bear steals his wallet and a strange man comes out of an arcade game and demands Miharu play a game; the D-game! What's worse, the man even claims to be from the future. What will happen when Miharu must play to survive?

[From Boku-Tach]i:

A compilation of five short stories by Ryu FUJISAKI written throughout his career. Ranging from fantasy to gothic horror, they explore the fantastic worlds contained within the mind of the mangaka of such series as Houshin Engi and Waq Waq.

This is volume 1 of FUJISAKI Ryu's Short Stories.

Volume 1: Worlds
Volume 2: Dramatic Irony

A senior disciple from a countryside martial academy returns as the world’s best! Dragged into a brutal political war, senior disciple ‘Hyeok Musang’ didn’t return after the bloody war ended. No one knew whether he was still alive for 5 years.

Upon barely returning to his hometown, he found his Dragon Tiger Martial Academy being persecuted and destroyed by a third-rate gang.

He thought he could live peacefully with his fellow members after winning the war but seeing the miserable state of his master and fellow disciples, he was filled with anger and guilt.

With the return of the senior disciple, everyone thought things would get better but only for a moment. Things were still happening in his hometown of Yangzhou County. Was the war really over? The head disciple raises his sword against the dangers threatening his Dragon Tiger Martial Academy.

15 years remain till termination of service. The ending is known only to me.
'I am a veteran'.

The series is the continuation of the series Crows. The setting is still around the delinquent school, Suzuran.

Hana Tsukishima is a country boy that recently moved to city. He is a good guy, ingenuous and honest, but he is also very strong. His goal is to become the "strongest student" of a school of thugs led by clan-logic, strength hierarchy and fights.

A side-story to Worst. Each chapters delves deeper into the backstory of some characters and reveals the story of their past. The first part goes on about the Umehoshi brothers, the second reveals how the forming of the Armament took place, and so on...

After years of studying, Hanazawa Saburou, AKA Suzuran's legendary Zetton, has finally become a high school teacher. But on his first day at work, the principal tells him he was actually hired not to teach, but to make the students of his homeroom class drop out of school?!

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O'ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.

An ordinary middle schooler, Lee Sungmin, is summoned to this world called ‘Eria’.
He endures for dozens of years with no talents or powers, and makes it through all kinds of hardships to survive, but dies miserably in the end.
However, before he dies, he regresses back to the past after obtaining the ‘Stone of the Past Life’ by chance, and gains the opportunity to start his life anew.
Yet, he still lives a life without any talents, having nothing. Although he can’t approach the geniuses around him due to the ‘wall’ surrounding them, as well as feeling inferior, he moves forward step by step with firm determination, never giving up. “No matter what, I’m going to live a better life than my previous one even if I have to struggle!”

A gaming otaku and a fujoshi reunite for the first time since middle school at work.

A short story about a man and his child.

After getting hit by the flush handle of a toilet, Agueda "Agu" starts seeing weird creatures that resemble various things.

Deep beneath the streets of Akihabara lies an underground battlefield known as “Valhalla Garden.” High school girl and widely popular idol Maki Amagami is the latest victim dragged to the erotic, violent world of this battlefield after her company’s president sold her off.

In her first fight against the legendary Anna “Viper” Ridgway, Maki learns the truth of Valhalla Garden: it’s not only a place where girls wrestle -- it’s where their opponent gropes, licks, and erotically touches them everywhere! Will Maki be able to unlock her sexual charms to be able to survive this new world of wrestling?

The organization known as “Gigant” has sent one of their best men to kill a cute young high school girl. However, the assassin seems reluctant… Why did he get these strange orders? What’s the secret behind that girl?

Big sister attempts to make her little sister into an author.

From That Scan Group:

An existence gained from exchange of life.
A world filled with pain and darkness.
At the edge of despair, Writer J starts his solitary struggle.

A meeting on the bus to the underworld. Fate… Responsibility… To face it all or to run away?

Compilation of assorted stories published in different magazines.

From MangaHelpers:

This is a collection of bizarre images, shorts, and short stories. One of the most notable stories involves a young girl whose sick-seeming friend insists that she be taken to the ocean. Without asking any questions, she enlists the help of a random passing driver to fulfill her friend's strange wish. The reason for it will end up being stranger than she could have guessed! Another story involves a young girl whose older sister has an illness that has left her asleep for 8 years. One day, her older sister wakes up, and the two share their first real day together. [tethysdust]

On the Journey of Self-cultivation, One Requires Control of Ying and Yang , Good Fortune, To Reach for Nirvana, Mastery over Life and Death, Power over Reincarnation. At the peak of Martial Arts, break the Heavens and shake the Universe!