This is the story of a girl and a weapon who happen to meet on an island off-the-grid.

From Tokyopop:
In the future, the most popular game in the world is Angelic Layer. Contestants must raise and train their own 'Angels' (or fighting dolls) to compete in tournaments. Enter Misaki Suzuhara, sixth grade Angelic Layer prodigy. With her speed-type angel, Hikaru, many people think Misaki stands a chance at winning the championship. She'll have a lot of help along the way, but the road to victory will be not be an easy route, especially for someone as young as Misaki.

A spin-off manga includes various comedy gags of characters in the main series.

In whose hands is your life?

An omnibus collection of short stories.

After awakening in an empty room, Akagi Maki, a college freshman, hears the cries of someone only to discover a small child under a pile of rubble.
She would soon discover the post-apocalyptic destruction that took place in Tokyo...

Circle: 木造建築50階

A very short oneshot about a man and his maid...

"Things I wanted to re-do seem to be endless..." An elite Office Lady, Komori, has a unique ability to do minimum time looping but the limit suddenly turn into 10 years when she got in an accident. The one who greets her in the high-school-past was that man, who had live in Komori's heart for a long time... sometimes remembered as a smiling nerd, sometimes as a lifeless body that Komori couldn't save.

By aquamarinep:
The world has became a place dominated by males. Women are virtually extinct with their number-count in the hundreds and the youngest of the them in her forties. It has been long accepted that a wife, being a gender so rare, can have multiple husbands. Sex change to satisfy sexual desire is a growing phenomenon, although is still looked down upon by society.
In such a disordered place where she is the only girl, Ho Su awakens.

What happens when the greatest martial artist of the Murim world meets a genius magician from a fantasy world?

In the near future, mankind creates mermaids through the selective breeding of small fish. This is the story of three tiny mermaids who are in a Tokyo pet shop waiting for someone to buy them.

A story about three sisters struggling to survive in a desolate world surrounded by decaying buildings and red fog. The story revolves around Rin, a girl with an updo. There's also Ritsu, the big sister who has cat ears and is always calm, and Rina, the innocent, cheerful one dressed in a maid's costume. Just what is it that these sisters are after in this mysterious world?

This is a game traveling story of a man and his perfect best friend. Will this be a relationship of subjugation or will they turn into complete adversaries? When your best friend becomes your opponent, and the line between the real and virtual worlds becomes blur, how should we face the truth then?

Official 4-koma manga for Darling in the FranXX.

It's 2029 and virtual reality has taken the center stage in work and in play. Jin Tarou toils away at a convenience store attached to an university hospital, supplementing his income while he tries to get his virtual reality server up and running. His sole consolation is a young resident, Hiiragi Maika, who comes in and orders the same lunch and drink every day. But when he was doing a routine maintenance check on his server, he finds Maika logged in and playing, and working as a waitress?

The plot is about Japanese teen Yamato Hibino, who is sucked through a time warp into the past, where the dinosaur army of the Dragonia Empire threatens the world, and Queen Aira of Mu needs Yamato to help her fight back with the aid of the stone-made guardian God Mazinger, which looks suspiciously like a giant robot.

Mankind struggles to rebuild after a nuclear explosion. In the midst of the wastelands, there is a small pet shop called The Willows.

In a world that's heading towards its end, Shirou, a scientist whose sole purpose in life is to create butterflies that can purify the world, encountered a male humanoid called Kuroe. What is Kuroe's real identity? Why does he proclaim in wanting to meet Shirou? This is an eternal love story that was born at the end of the world.

Armitage the Third borrows heavily from both Blade Runner and Total Recall to present a humans vs. androids murder mystery set on a Mars of the future. A four-part OVA series was released beginning in 1994, and this manga utilizes the same main characters and setting yet with a slightly different plot line. Copies are exceedingly rare even in Japan.