Top 10 Manga Set In Sci-fi Fantasy World.

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1. Origin.

The year is AD 2048. Japan is connected to the Eurasian continent by a transcontinental railroad. The capital, Tokyo, has become a crucible of criminals and terrorists. And so, in the metropolitan darkness a mysterious presence attacks and slaughters people, unnoticed, night after night... Just what are these "things that are not human" living in hiding in the human world? And just who is this "Origin" person who faces them?

2. Blame!

Killy is a man of few words. He wanders, seemingly endlessly, through a lonely, gargantuan labyrinth of concrete and steel, fighting off cyborgs and other futuristic nightmares, searching only for something called Net Terminal Genes. And he has a very powerful gun, which he uses without hesitation whenever anything resembling danger rears its ugly head. Who is this quiet, violent, determined man and what are these Genes he seeks? The small communities he finds tucked into the crevices of this towering, dystopic ruin hardly give him leads on his treasure, driving him to find larger enclaves of civilization where people can reveal more about the world he lives in and the quarry he seeks.

3. Dead Dead Demon's Dededededestruction.

Large mysterious alien ships have been looming above Japanese towns for three years, filling the sky Everything changed three years ago. And yet, nothing has changed. No weapon used against the invaders' ships had any success, beyond destroying part of japan and leaving its economy in shambles. JSDF is fighting a guerrilla battle against the aliens all over Japan. America is joining the 'war' effort with more aggressive tactics, dividing Japan over the pacifist principle laid out in Art9. of their constitution. But this may just be the mundane story of young middle schoolers. "No matter what happens, I won't back down. At least not until this world filled with lies and deceit crumbles away. (...) The real threat to humankind is not invaders, but me.

4. 20Th Century Boys.

Growing older is pretty rough and Kenji is finding out just how hard it can be as life starts wearing down on him. On top of trying to make ends meet running a convenience store, he has to care for the niece that his missing sister left in his care. Memories of youth make it easier, until those memories come back to haunt you. Kenji and his old friends are slowly being drawn into a mysterious conspiracy that could threaten the world. Who is the mysterious "friend", and how does he tie into Kenji's youth? Why are there disappearances and deaths tied into Ochanomizu University? The friend's memories hold the keys to the puzzle, but years between cloud the clues. The strange occurances and the reach of the "friend" conspiracy grow by the day. It will all culminate on New Year's Eve 2000. Will Kenji and the rest of the group be able to put together the puzzle and save the world? Note: The last two volumes of the story were serialized under the name 21st Century Boys and are not included here

5. Eden - It's An Endless World!

In the panic surrounding a worldwide pandemic which kills 15 percent of the population and cripples many more, a secret organization, the Propater, topples the UN and seizes control of much of the world. A boy and a girl, raised in an abandoned virology research center, immune to the virus, are attacked by the Propater and escape. Based strongly on Gnostic mythology, all major characters are named after gnostic deities, and have analogous roles

6. Kanata No Astra.

The year is 2061, when space travel is now possible and commercially viable, and the students of Caird High School embark on their Planet Camp.But soon after Group B5 arrived at their planetary camp site, a mysterious and unforeseen sentient light sphere warps its 9 members into outer space, stranding them 5012 light years away from their home planet.With the discovery of an old, unmanned spaceship nearby, the students must stay strong, manage their limited resources and remain united in the darkness of space, so that all of them can survive their long and likely perilous trek back home aboard the Astra.

Origin

7. Biomega.

Tsutomu Nihei returns with another addictive manga (see BLAME!), set in the not-so-distant future (3005 A.D.). It follows a character by the name of Kanoe Zouichi and the mysterious Kanoe Fuyu whose luminous form is integrated into the system of his bike. They are agents sent by a powerful organization to retrieve the human with the ability to resist and transmute the NS5 infection that is spreading across the world, named Yion/Ion Green. However, their mission is delayed by the reckless actions of the Public Health Department's taskforce and the kidnapping of Yion/Ion Green. Will they complete their mission? Where has Yion/Ion Green been taken? These questions will only be answered as more volumes are released. The art in BioMega is similar to BLAME!, with its complicated concrete sprawl and ludicrously wide, empty spaces. However, things seem to happen at a more reasonable pace. In this manga, there is emphasis on the swiftness of the attacks made by Zouichi, such as the gun being sheathed just before the enemies fall to the ground. Speed is crucial in this manga, unlike in BLAME!, and the plot develops just as quickly. An interesting read, especially if one has enjoyed BLAME!

8. Canaria-Tachi No Fune.

Yuri is just a normal girl in high school: she loves hanging out with her friends, she has dreams, and she has worries. But one day, she wakes up in a strange forest sheâ€™s never seen before beside a man named Chihiro. As the two of them learn more about the place they suddenly find themselves in, and the oddly real dream they had of being abducted by aliens, the dark secret of where they are and what has happened to them will begin to unfold.

9. Gantz.

A couple of high school pupils, Masaru Kato and Kei Kurono, are hit with a subway train in a effort to save the life span of a drunk homeless guy who'd fallen onto the tracks. Following their deaths, Kato and Kurono find themselves transported to the inside of an unfurnished Tokyo flat, where they meet with a Gantz expert Joichiro Nishi, as well as other clueless players. The pair soon understands that they're prohibited to depart the flat. At one end of the room there's a sizable black sphere called "Gantz".

10. Battle Angel Alita.

Alita is a powerful cyborg with a soft heart and a mysterious past. Her second lease on life isn't easy: her heart is broken, she gains and loses friends to the cruel world of the Scrapyard far below the Utopian city of Tiphares, and she serves many masters in her quest to protect the innocent and create a new life for herself.