After the the world ended, a Sackboy emerged from the rubble. With little idea of what came before him, he spends most of his life wandering around the wasteland. Then came a very unusual day, Sackboy discovered a strange building. Upon entering, he comes face-to-face with "The Eyes" the computer game that ended the world. "The Eyes" tell Sackboy that they are dying and need his help... without hesitation, Sackboy agrees to help them.
Ikinokori Renkinjutsushi wa Machi de Shizuka ni Kurashitai: Rinkan no Mahou-yaku mamga, The Kingdom of Endalgia was destroyed by rampaging monsters coming from the neighbouring Demon Forest. A young alchemist, Mariela, was able to escape almost certain death by using the "Magic Circle of Suspended Animation." However, it seems that she was asleep for a lot longer than intended. Moreover, it appears that she is the last alchemist left, so even the price of low grade potions has increased exponentially. This story is about Mariela secretly selling potions while trying to relax and enjoy life in the Labyrinth City, the remains of the capital of Endalgia.
Collection of short stories: 1-3) Kinjirareta Taion When Detective Moriyasu breaks up a lovers' spat on a street corner, he doesn't expect to know one of the guys. Kazuki is a troubled young man with nowhere to go, so Moriyasu takes him in. But the past has ways of catching up with them. 4) Naisho de Scandal Kenjou is a beautiful model, but he doesn't like being considered girly. So when he gets into a argument on the street and a stranger stands up for him, he loses his cool. But he also loses his cell phone... 5) Kamen wo Hazushite Yamashita is regularly scolded by his boss, Natsume, whom he has a crush on. But when he sees Natsume kissing another man...
From Baka-Updates: In Tokyo lives the young teacher Tsunagu who has to deal in his poor life with all sorts of bad-ass students and suffers a lot from his relationship with the violent lover Akira whose heart he knows he'll never have. In spite of Akira's threats Tsunagu refuses to give up his teaching job because he wants to be there for a few good students like Aoitsuki. However, unknown to him, angelic-looking Aoitsuki isn't what he seems. Meanwhile there is Shou...
Supersonic Fingers is the first Gunnm Gaiden story, it takes place shortly after Gally's fight with Jashugan. Gally is attacked by an unknown sniper, and while she recouperates, her hunter-warrior friends search for the culprit. The culprit is a strong fighter with a death wish that only Gally can fufill. The Holy Knight is the second Gunnm Gaiden story, Homecoming is the third, but takes places immediately before The Holy Knight. Before he met Gally, Ido worked as a hunter-warrior to make ends meet. Although a skilled doctor, he had no skill in the areas of cybernetics. He saves and befriends a young, mysterious girl, whom he names Carol. During their time together Ido learns the art of cyber-medicine, and starts his cyber-doc practice, but Carol's past catches up with her and Ido learns a painful lesson about medicine(https://kodansha.us/series/battle-angel-alita-holy-night/)
Minori Takasaki is a lesbian who plans on having a lovely time surrounded by young girls in her new high school. However, she gets involved with a trap, Yuuki Toudou, the student council president.
Aoi was abused by her teacher in middle school, a trauma she is still unable to overcome. One day, because of a family vacation, she is reunited with her first love, Kaoru: even though she has never forgotten him, she definitely doesn't want him to see how much she's changed...!
From ShoujoMagic: Story 1: Automatic Angel Serika, a high-school student, is known for being a well rounded girl with an attractive face and figure. She is clear-headed and has a talent for sports. But she's an... android!? Vol. 2, Story 2: The Winter Was Trying to End Tale of a high school professor and student.
Oneshot published in Gekkan! Spirits.
From Kotonoha: In his second collection of short stories, Mohiro Kitoh recounts the tragic fates of people living in a half-futuristic, half-fantasy city whose inexorable structural decay seems to be mirrored in its citizens' hearts.
From MangaUpdates: There is a mysterious group of people who inflict cruel and fatal games on people for their own amusement. Tatsuya and Misa are out on a date in an amusement park when they wander into one of these horrific competitions on the tallest roller coaster on earth. The seats fall out of their 12-person roller coaster car, and they are told that the game will end when all but one person has fallen to their death. Will the passengers be able to find a way to escape the competition? Will there be any retribution against the orchestrators of this sick crime?