The struggle for survival between humanity and Parasites continues unceasingly around the world. Unfolding in the shadow of the legends of Shinichi and Migi, another battle for existence is revealed. Fukami, a veteran detective, investigates a brutal mass murder, and is unsettled by the composure of the informant: high school student Tatsuki. The source of that discomfort lies within Tatsuki's family...
The tale on the other side of the ageless masterpiece "Parasyte" begins here!

The story begins with Yggdrasil, a popular online game which is quietly shut down on its last day. Our protagonist Momonga decided to stay until the last moment in his beloved game and wait for the force logout. Unexpectedly, the server did not shut down and Momonga is stuck in his skeleton body and got transferred to another world. "The powerful Overlord" needs now to discover a new world and face the continuous challenges.

Having no parents, friends, or place in society, this ordinary man strives to take over the new world the game has become.

A massive asteroid is about to hit earth!

Humanity has failed to stop a giant asteroid from plummeting into Earth, and life as we know it has ended. An ordinary Korean office worker named Cheolsu is somehow given the chance to go back in time and prevent this catastrophe from ever happening. Does he have a chance?

The story and mythology of the Braves has already ended, and their star-spanning fable begins...

The year is Showa 74 (1999 A.D.) and the world has been through much turmoil. The streets are littered with destitute buildings, crime, and also Sex☆Machines... mechanical humans that can be used as motorcycles by thrusting a penis inside of them. These Sex☆Machines have been in use since the olden days, however, when criminals began riding them, the police had to adapt, and began to use them as well. One of these officers is Suzuka Yoshimura, a rookie cop who doesn't play by the rules aided by the help of her Sex☆Machine "Ace". She recently heard of an exhibition that will show off a so-called "Legendary Sex☆Machine". What type of Sex☆Machine is it, and what is its goal?

A hikikomori gets texted 'help me' from an anonymous source. Feelings of heroism coax him to the outside world which and he finds has been badly damaged, with broken houses and bits of debris everywhere. He searches for survivors but all he finds are corpses and ghosts till he gets to his sister's body.The guy has esp so he converses with her ghost and she tags along in his attempt to find more survivors. Eventually they do find someone that casts a shadow, but they may not be as human as they seem.

A man travels in time from the year 2027 to relive his school years and to correct a bad decision.

Humanity's dream... Crystal humanoid technology. They have 'illnesses' just like humans but the treatments options are quite different.

The troubled AI's band together, and the new doctor at the facility, Sudou, bears witness.

From MangaHelpers:
This is another story in the Full Metal Panic universe, set ten years after the events with Sousuke and Kaname. Ichinose Tatsuya is a pretty normal high school boy, who lives with his father and little sister Yukari. He has a tendency to fall in love with foreign women, which has never turned out well for him. One day, while up in the mountains driving a Power Slave to help out with his father's company, he runs into yet another beautiful foreign woman, called Adelina. He lends her a hand and is surprised to see that she has a military Arm Slave, called "Shadow," with her. What is this mysterious and highly armed woman doing up in the mountains? Tatsuya's life is about to get a lot more exciting.

In the American Area 51, there is a society where many varied supernatural creatures--kappa, vampires, aliens, gods and goddesses of various mythologies, mythological figures (like King Arthur), and more-- make their home. In addition to the non-humans, there's also a population of humans, people who can't live in the ordinary world for one reason or another. One of these people is Magoi Tokuko, commonly known as Makkoi, a tough woman who works cases with the help of her kappa associate, her deep knowledge of the area, and her pistol. In her office, which she's built in an unfinished subway station, she takes on all kinds of jobs (recovery of stolen goods, infiltration, etc.) from the many humans and non-humans who come to pay for her help.

A 2 volume anthology series featuring A Certain Magical Index and A Certain Scientific Railgun characters.

In December, Miyuki receives an invitation for the Yotsuba's new year's family gathering. However, unlike previous years, they specially added "Everyone must attend" on the invitation. Miyuki understands that "the time has come" — it is time to decide the next head for the Yotsuba Clan.
— If she is elected, her brother will be free.
— If she becomes the next head, she will be forced to marry someone else.
Miyuki's heart is a mess.
The truth of the Brother and Sister relationship is finally unveiled!? Yotsuba Keishou-hen begins!

Adaptation of the original novel's volume 16.

Takagi and Kanemura are two normal high school students in a near-future Japan where many things we'd find unusual are taken in stride.

Technology has evolved to the point where items like face-blurring necklaces, sleep-control devices, and Willy Wonka-ish, meal-flavored gum are common fads. New services also dot the landscape, such as businesses that can help you reclaim memories and places that can upload dead people to the internet to continue living their lives in virtual reality. The two girls treat encounters with androids, strange monsters, and aliens as somewhat normal occurrences.

Dainana Joshikai Houkou is a fantastical slice of futuristic life that proves that, while society can change, people tend to stay the same.

Honjou Kaede was invited by her friend, Shiromine Risa to play a VRMMO.
I don’t hate games, but painful things are a little……no, I hate it very, very much.
Eh!…the pain would be reduced if I placed stats on defense power?
Then, the only place where I can place it, is there right? Right?
Solidly fortify everything into defense, now here I come!

Strider Hiryu was the youngest Strider to ever reach the rank of "Super-A" grade. He was the greatest Strider the organization has ever produced, but he eventually grew disenchanted with them and retired. An uncollected prologue tells how Hiryu had been forced to kill his sister, Maria, who had inexplicably gone insane. He left the Striders for Mongolia, where he lived in seclusion for some years.

The collected manga opens with a Strider assignment gone horribly awry. Two Striders, Kain and Sheena, had been assigned to Kazakh, but were ambushed by a paramilitary organization. Kain and Sheena defended the city valiantly, but were eventually overcome by the simplest of ruses: an armed child. Sheena managed to escape, but Kain was captured by a military officer bearing the Strider tattoo...

Takemichi is a 26-year-old unemployed virgin who learns that the girl he dated in middle school, the only girl he ever dated, has died. Then, after an accident he finds himself in a time leap back to his middle school years. He vows to change the future and save the girl, and to do that he aims to rise to the top of the Kantou region's most brutal delinquent gang. Winner of the 44th Kodansha Manga Awards for best shounen in 2020.

The manga won the 44th Kodansha Manga Award for the shōnen category in 2020.

The future-fantasy world of Remnant is filled with ravenous monsters, treacherous terrain, and more villains than you can shake a sniper-scythe at. Fortunately, Beacon Academy is training Huntsman and Huntresses to battle the evils of the world, and Ruby, Weiss, Blake, and Yang are ready for their first day of class.

Note: This manga is based on the independent American 3D-CGI animated series by Rooster Teeth (created by Monty Oum). The manga itself is a prequel to the original animated series, and delves into the circumstances surrounding the four main characters.

A spin-off of the various works of Kamachi Kazuma. One day, Kamijou Touma (A Certain Magical Index) faced yet another misfortune. His toilet was broken and spraying water everywhere. As he was lamenting his misfortune, suddenly he appeared in a strange place along with Index and Misaka. Soon enough, more strange people begin appearing...

Includes:

A Certain Magical Index
Heavy Object
The Zashiki Warashi of Intellectual Village
The Circumstances Leading to Waltraute's Marriage
A Simple Survey / A Simple Monitoring
Killer Princess and Deep End

In a world driven by fictionalized friendship, courtesy of the program named "Real Account", the table suddenly turns, and the cybernetic world turns real! How will they survive?

This is part 2 of Real Account

The near future, in a quiet seaside town. Yoshioka, who had recently lost his wife, just wants to spend the rest of his days in peace. However, Yoshioka's children, worried about their father's health, sent a housekeeping robot to help him. Yoshioka's quiet life is now changing.