Manga like Suisei no Gargantia

What is Suisei no Gargantia about?

Status: Finished

The story begins in the distant future in the far reaches of the galaxy. The Human Galactic Alliance has been constantly fighting for its survival against a grotesque race of beings called "Hidiaazu." During an intense battle, the young lieutenant Redo and his humanoid mobile weapon Chamber are swallowed up into a distortion of time and space. Waking from his artificially induced hibernation, Redo realizes that he has arrived on Earth, the planet on the lost frontier. On this planet that was completely flooded by the seas, people live in fleets of giant ships, salvaging relics from the seas' depths in order to survive. Redo arrives on one of the fleets called Gargantia. With no knowledge of the planet's history or culture, he is forced to live alongside Amy, a 15-year-old girl who serves as a messenger aboard the Gargantia fleet. To Redo, who has lived a life where he knows nothing but fighting, these days of peace continue to surprise him.

Tags: Shounen , Male Protagonist , Super Robot , Post-Apocalyptic , Lost Civilization , Language Barrier , Artificial Intelligence , Space Opera , Isekai , Pirates , Ships , Tanned Skin , Time Skip

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Kouchuugun Shikan, Boukensha ni Naru

Also known as Captain Corinth: The Galactic Navy Officer Becomes an Adventurer.

Status: Releasing
Genres: Action , Adventure , Fantasy , Sci-Fi

The distant future: In a universe where humanity's mortal enemy is the alien race known as Bugs, an Imperial battleship suffers a mysterious and devastating attack that sends Captain Alan Corinth crash landing onto an unknown planet. Much to his surprise, rather than the technologically advanced humanity he knows, the humans he encounters there seem to live in a fantasy world filled with swords and magic!

Tags: Seinen , Isekai , Aliens , Magic , Language Barrier , Space , Male Protagonist

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ComicWalker

Nico Nico Seiga

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Snowball Earth

Also known as Snowball Earth.

Status: Releasing
Genres: Action , Mecha , Sci-Fi

"Yukio... I'm going to make a friend." A shy boy named Tetsuo. The only thing he had was a giant robot named Yukio. They became "saviors" in the fight against the galactic monsters coming from outer space. After the final battle, Tetsuo returns to Earth for the first time in ten years and witnesses an astonishing world. It's a frozen Earth (named Snowball Earth), where the entire land is covered in snow and ice, being turned into a deadly world! What happened to the human race? And will Tetsuo be able to fulfill the promise he made to Yukio?

Tags: Artificial Intelligence , Robots , Kaiju , Male Protagonist , Post-Apocalyptic , Seinen , Snowscape , Aliens , Space Opera , Time Skip , Super Power

Where to read?

No reading links available

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Kanata no Astra

Also known as Astra Lost in Space.

Status: Finished
Genres: Action , Adventure , Drama , Mystery , Sci-Fi

Itʼs the first day of Planet Camp, and Aries Spring couldnʼt be more excited! She, along with eight other strangers, leave for Planet McPa for a weeklong excursion. Soon after they arrive, however, a mysterious orb appears and transports them into the depths of space, where they find an empty floating spaceship…

Notes:
Includes 4 sets of bonus pages, where each set is considered a chapter; Volumes 2 - 5 each contain a set.
Won the Manga Taisho Award 2019.
Nominated to the 23rd Annual Tezuka Osamu Cultural Prize.

Tags: Conspiracy , Space , Survival , Found Family , Ensemble Cast , Coming of Age , Clone , Shounen , Tragedy , Male Protagonist , Alternate Universe , Aliens , LGBTQ+ Themes , Adoption , Agender , Transgender , Wilderness , Nudity

Where to read?

Viz

Shonen Jump Plus MANGA Plus MANGA Plus

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Tenro no Avalon

Status: Finished
Genres: Action , Fantasy , Sci-Fi

Soviet interstellar fleet is heading to a new world for humans to settle. Our protagonist has a goal. He is doing his best to become a part of the ruling class on the yet to be colonised planet while his peers are having fun in the Simulated Reality. But something wrong happens on the way there.

Note: The chapter count includes 2 extra stories.

Tags: Space Opera , Seinen , Time Skip , Military , Cult

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No reading links available

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Asamiya-san no Imouto

Status: Finished
Genres: Adventure , Comedy , Drama , Mystery , Sci-Fi , Slice of Life

Asamiya Aoi is a mysterious, innocent-seeming young girl who is traveling through a futuristic land with the help of her father's sketchbook. While she may seem naive, she can be surprisingly tough and resourceful. One day, Aoi encounters a young woman named Kyoko. She shares her travel plans with Kyoko and shows her the sketchbook. Kyoko can't believe her eyes! The sketchbook is more like research notes than casual sketches, and it is full of accurate maps and information that she could use to make loads of money. With the original plan of finding a chance to steal the sketchbook, Kyoko feigns concern over Aoi and joins her on her travels. As the two girls encounter and affect the lives of various people on their journey, will Kyoko be able to learn more about this unusual young girl?

Tags: Iyashikei , Achronological Order , Robots , Military , Conspiracy , Aliens , Time Skip , War , Female Protagonist , Space , Coastal , Seinen , Maids

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No reading links available

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