From Yen Press:

A disillusioned young man in search of “something” stumbles into the weird and wacky world of Wonderland, where, as “Alice,” he is thrust into a murderous game of “Kill the White Rabbit” by command of the ruler of the land, the Queen of Hearts. But while Alice rails against the role that has been forced upon him, he has little choice but to comply. For in Wonderland, not sticking to the script can have deadly consequences…

Jonah is a child soldier, born amidst the chaotic conflicts that rage across West Asia, his family lost to a war fueled by weapons supplied by the so-called Merchants of Death--international arms dealers. Despite Jonah's hatred of weapons and violence, he employs both extremely well in the service of high-flying arms dealer Koko Hekmatyar and her band of mercenaries. Their journey through the dark underbelly of the world's arms markets may lead only to damnation, but will Jonah one day make his way back to the light? Only one thing is certain: it's going to be a long, hard road out of hell...

Biorg Trinity follows Fujii, a high-school student who is in love with Enomoto Fumiho. He lives in a world where people are touched by a rare "illness" called the Biorg Bug. One day Fujii catches the bug which makes holes in the shape of hearts on his hands. What will happen to him now?

As Mustachio and Kenichi make their way through the hustle and bustle of Tokyo, they overhear a muffled scream from a parcel carried by an old man. Ever the curious type, Private Detective Mustachio follows the old man to his home, finding out that he is a scientist, Professor Yamadano.

When confronting Yamadano over the package and his intentions, Yamadano breaks his silence and reveals the discovery he made during a visit to Horseshoe Island. A discovery that has very grim implications...

The final installment in Tezuka's SF "World Trilogy" filled with Conspiracy, Political Turmoil, and Hardship.

Volumes 45 and 46 of the Osamu Tezuka Complete Works

Noah, the last survivor from Earth, aims for a new universe on the spaceship that was handed down to him by his mother who was a scientist. What he arrives at is a planet where living things possess magic. When he is out doing field work, he meets a girl who proclaims herself as the demon lord's daughter.

The cyborg youth will traverse a planet full of mysteries in this iseikai sci-fi fantasy.

One day, at the base of Mt. Fuji, appeared a "castle" pouring out Youkai. To curb the labour shortage caused by a declining population, the government decided to integrate the Youkai into society; however, this led to rising conflicts between Humans and Youkai.

In response, the JSDF, with aims to expand their influence in public security, secretly forms a Youkai penal tactical response force, "Tachikawa Task Force", to execute "tactical solutions" for the various issues born from this new society.

A post-apocalyptic world. Following her last order, the mechanical soldier Ria has been fighting an endless war for over a hundred years. With the people she was meant to protect gone, and her comrades-in-arms lost, Ria spends her days fighting alone.

Then, a human appears before her once more..!?

A little girl gets sent to another world where she does her best.

Web Novel: https://ncode.syosetu.com/n8991ct/
Light Novel: Bookwalker

The story evolves around Chandra Nalaar, a young firemage who trains at the Kerald Keep in the mountains to learn how to control her powers. But life isn't that easy because the Order of Heliud, a sect of mages bent on imposing their draconian law across the land, is now also expanding their dominion to the woodlands near the Keep. The Order's ever-increasing influence is an affront to all Chandra holds sacred: freedom, individuality, the right of self determination, and most of all, the right to blow things up. So the young mage is sent on a mission to find out more about the order but her impulsive spirit is about to cause her a whole lot of trouble...

The Wolf falls in love.
A dark fairy tale action starts.

The "Kyoto × youth × tattoo battle action" manga centers on Tsukimichi Dōri, whose speciality is "running away." Instead of entering high school, he runs away to Kyoto, but what awaits him is a great mystery, a mirror world where right and left are flipped. In this world, tattoo artists take place in a battle called "Bokusenkon." Tsukimichi must now make use of his escape skills as his "best and worst" youth is about to begin. From the creators of "Deadman Wonderland"!

Having been torn from the earth in ancient times, Planet Mamango is now re-approaching the earth after a lapse of 5 million years. One night, a private detective named Ban Shunsaku encounters a murder, and meets boy researcher Shikishima Kenichi, who holds the key to solving the case. Shikishima discovers that a stone from the Planet Mamango generates huge amounts of energy. Making a rocket out of the energy stone, Shikishima sets up an exploration team and departs for Planet Mamango. The rocket heads straight for Planet Mamango under the command of Shikishima, along with Captain Butamo Makeru, Ayame and Momiji, who are cabbages created by the captain, a rabbit named Mii, and Ban Shunsaku. In due time, the rocket lands on the Planet Mamango, where the group finds a “The Lost World,” an ancient environment where dinosaurs walk about and ferns and cycads cover the ground.

Note: The most widely available version (including the english one) is the 1948 one, directly published by Fuji Shobou. This is a remake of an unfinished series Tezuka wrote for the Kansai Kyouron Shinbun in 1946, which has been lost. He remade the series once again in 1955 for Bouken Ou under the title "Zenseiki Hoshi", but this version too has been lost.

Kaijin are attacking! But luckily for the people of Japan, heroes are there to protect them, with powers that run on a rate of yen per second. For Hiasa Sen however, there are much more important things to worry about, like catching sales on groceries, and his many part time jobs, all to take care of his little sister. When danger approaches however, he has a secret power of his own, but it may be more trouble than it's worth.

Reiji Takahashi is a secret agent of the Interior Ministry who found a little girl during a mission. The girl Nina was trained by the mafia to be a cold-blooded killing machine. Now Reiji has been ordered to watch over Nina, and he better watch his back, too, because Nina is still out to get him! A hard-boiled child-care comedy remake from a popular SNS work.

The story of four adventurers, all whom have experienced betrayal and hardship, banding together in a middle finger to society.

The comedy spin-off story focuses on the Spear Hero, Motoyasu Kitamura. At the brink of death he acquires the power to turn back time, and decides that he'll use it to become stronger and start a "new game."

Yuko Natsuki, a rookie reporter for an occult magazine, sees a girl's spirit in a "cursed apartment" she visited for coverage. Rei Aiko, the spirit of a girl who massacres humans who step into the apartment. In a curse stretched like a spider web, Aiko continues to grow on the death of humans. Is there any way for Yuko to survive the curse!?
The manga adaptation of the popular suspense horror novel from the novel posting site estar!

(Author changed his name in 2018 from 快紗瑠 to 藤白 圭, it's the same person)

Author Twitter: https://twitter.com/yukainaousama
Artist Twitter: https://twitter.com/umemaru002

Souhei embarks on a trip in the gigantic labyrinth that suddenly appears in his basement. But it's an extremely special dungeon where the only way to become stronger is to do lewd things with girls and increase Lv (Love)! The story of a young boy who explores and does lewd things with women!

There was a time when mages were feared. In the Kingdom of Fulgund a female spellsword called Alfiris travels in hope to become a "person who can save others". However, those who manipulate magic are shunned even by the mercenary guild. If one day she finds a travel companion and her "curse brand" is seen... When one day she is reunited with Sister Anorn, a drunk who considers her a "friend", and gathers other companions to slay an archfiend― When overwhelming despair strikes them, Alfiris's right arm bursts into flames and a different persona emerges!