Manga like Kanata no Astra

Dr. STONE

Also known as Dr. STONE.

Status: Finished
Genres: Action , Adventure , Comedy , Sci-Fi

One fateful day, all of humanity was petrified by a blinding flash of light. After several millennia, high schooler Taiju awakens and finds himself lost in a world of statues. However, he’s not alone! His science-loving friend Senku’s been up and running for a few months and he's got a grand plan in mind—to kickstart civilization with the power of science!



Note: Shueisha published its 27th volume on April 4, 2024. This volume contains the one-shot Dr. STONE: TERRAFORMING and the mini-series Dr. STONE 4D SCIENCE.

Tags: Post-Apocalyptic , Survival , Ensemble Cast , Educational , Male Protagonist , Shounen , Lost Civilization , Travel , Philosophy , War , Time Skip , Environmental , Space , Kingdom Management , Primarily Male Cast , Tragedy , Espionage , Ships , Food , Adoption , Asexual , Bisexual , Time Manipulation , Guns

Witch Watch

Also known as WITCH WATCH.

Status: Releasing
Genres: Comedy , Drama , Fantasy , Romance , Slice of Life

Morihito, a boy with the strength of an ogre, is about to start living together with his childhood friend Nico, who is training to be a witch. Nico's magic leads to all sorts of unpredictable trouble, and with two teens under one roof... Let the fantastical antics begin! Magical comedy series by Kenta Shinohara creator of SKET DANCE and Astra Lost in Space.



Notes:
Ranked 2nd place for the Next Manga Award in the Print Category in 2022.

Tags: Magic , Witch , Urban Fantasy , Female Protagonist , Male Protagonist , Vampire , Episodic , Heterosexual , Youkai , Found Family , Dissociative Identities , Parody , Primarily Teen Cast , Werewolf , Shounen , Otaku Culture , Age Regression , Meta , Fashion , Gore , Conspiracy , Dragons

11-nin Iru!

Also known as They Were 11!.

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

They Were 11 is about ten Galactic University recruits who have passed many levels only to be given one final test. They are told to travel to an ancient spaceship and live there, together, for fifty-three days. This is not a problem until the ten recruits, hailing from diverse backgrounds and planets, discover that there are actually eleven of them on the ship. In fact, this problem turns out to be the test, as they have to trust each other in order to survive, even though one of them is an impostor.



Note: Won the 21st Shogakukan Manga Award for Shoujo in 1975.

Tags: Shoujo , Space , LGBTQ+ Themes , Survival , Aliens , Agender , Primarily Male Cast , Ensemble Cast , Transgender , Memory Manipulation , Adoption

EDENS ZERO

Also known as EDENS ZERO.

Status: Finished
Genres: Action , Adventure , Comedy , Ecchi , Fantasy , Sci-Fi

Eleven months after the grand finale of Fairy Tail, master mangaka Hiro Mashima is back with a great adventure beyond imagination! All the steadfast friendship, crazy fighting, and blue cats you've come to expect... IN SPACE!

A young boy gazes up at the sky and sees a streaming bolt of light. The friendly, armor-clad being at his side tells him gently, "That's a dragon." The fact that he's joking isn't important. What's important is the look of wonder on the boy's face... and the galaxy-spanning adventure that's about to take place! Join Hiro Mashima (Fairy Tail, Rave Master) once more as he takes to the stars for another thrilling saga!



Tags: Space , Shounen , Ensemble Cast , Time Manipulation , Robots , Male Protagonist , Alternate Universe , Super Power , Artificial Intelligence , Time Skip , Transgender , Bondage , Large Breasts , Slavery , Female Protagonist , LGBTQ+ Themes , Tragedy , Parody , Tentacles , Swordplay , Guns , Human Pet , Heterosexual

SKET DANCE

Status: Finished
Genres: Comedy , Drama

The hilarious misadventures of the "Sket Dan"; a couple of high schoolers who help out people as part of their club activity: Himeko, the hot-headed ex-delinquent with a soft spot for cute things and a taste for strange food; Switch, the brainy otaku who only talks via a computerized speech-application; and Bossun, the atypical leader of this looney bunch, with the amazing power to... concentrate very hard!

Note: Won the 55th annual Shogakukan Manga Award in 2009 for best shounen manga.

Tags: School Club , School , Parody , Shounen , Tragedy , Coming of Age , Twins , Love Triangle , Tsundere , Ensemble Cast , Time Skip , Adoption , Delinquents , Transgender , LGBTQ+ Themes , Magic , Primarily Teen Cast

Planetes

Also known as Planetes.

Status: Finished
Genres: Drama , Psychological , Sci-Fi , Slice of Life

Haunted by a space flight accident that claimed the life of his beloved wife, Yuri finds himself six years later as part of a team of debris cleaners on a vessel called the Toy Box charged with clearing space junk from space flight paths. The team consists of Hachimaki, a hot shot debris-man with a sailor's affinity for the orbital ocean; Fee, a chain-smoking tomboy beauty with an abrasive edge; and Pops, a veteran orbital mechanic whose avuncular presence soothes the stress of the job.



Tags: Philosophy , Work , Environmental , Space , Seinen , Educational , Politics , Family Life , Terrorism , Primarily Adult Cast , Heterosexual , Male Protagonist , Episodic , Iyashikei , Tragedy , Nudity , Time Skip

7SEEDS

Status: Finished
Genres: Adventure , Drama , Horror , Mystery , Psychological , Romance , Sci-Fi

Scientists had predicted this disaster, and in response, the leaders of every country met to develop a plan for human survival before the meteor hit. The Seven Seeds project was developed out of this meeting. Each country froze a number of young healthy people, which allowed them to survive the meteor. After the computer determined that Earth was once again safe for human life, it released them into the world.

The Japanese government created five groups of survivors: Winter group, Spring group, Summer group A, Summer group B, and Fall group. Each group consisted of seven members and one guide. The guide carried small tubes of poison on their necks to allow them to end their lives if their situation became unbearable. The Japanese government prepared seven "Fuji" as refuges for the groups. In each Fuji, the group would find seeds and numerous books instructing them on survival in the wilderness.

Notes:
Winner of the 52th Shogakukan Manga Award in the shoujo category in 2006.

Tags: Ensemble Cast , Female Protagonist , Josei , Survival , Post-Apocalyptic , Time Skip , Anti-Hero , Tragedy , Primarily Teen Cast , Travel , Heterosexual , Outdoor , Coming of Age , Orphan , Guns , Gore , Shrine Maiden , Desert , Nudity , Love Triangle , Lost Civilization , Mountaineering , Robots , Baseball , Natural Disaster , Eco-Horror , Aviation , Tsundere , Suicide , Achronological Order , Revenge

Uchuu Kyoudai

Also known as Space Brothers.

Status: Releasing
Genres: Sci-Fi , Slice of Life

Two brothers looked to the starry skies as children and made a promise ... Now, in the year 2025, the younger brother, Hibito, is carrying his out. He is an astronaut who has been selected as a crew member for mankind’s first long-term base on the moon. Meanwhile, the older brother, Mutta, has just been fired from his job and is unemployed, but decides to trust himself just one last time. A text message from Hibito sends him applying to be an astronaut too and shooting for the stars …



Notes:
Nominated for the 2nd and 3rd Manga Taisho Award
Won the 56th Shogakukan Manga Award
Won the 35th Kodansha Manga Award in the General Category.

Tags: Space , Educational , Seinen , Work , Astronomy , Ensemble Cast , Primarily Adult Cast , Male Protagonist , Foreign , Tragedy , Aviation , Time Skip , Episodic , Iyashikei , Nudity

Eden no Ori

Also known as Cage of Eden.

Status: Finished
Genres: Action , Adventure , Ecchi , Fantasy

Danger and action abound after Akira Sengoku and his classmates crash-land on a deserted island while flying home from a class trip. The island doesn't exist on any maps but that's not even the strangest part: the animals they find on the island are prehistoric beasts that are supposed to have been extinct for thousands of years! Now Akira and his friends are in danger as the island's residents start eyeing the humans for their next meal. Will they ever solve the mystery of the island and find their way home?



Tags: Survival , Chimera , Nudity , Primarily Teen Cast , Male Protagonist , Shounen , Lost Civilization , Dinosaurs , Alternate Universe , Time Manipulation , Crossdressing , Gender Bending , Love Triangle , Educational , Mountaineering , Heterosexual

Mugen no Ryvius

Also known as Infinite Ryvius.

Status: Finished
Genres: Drama , Psychological , Romance , Sci-Fi

It is the year 2225AD - 80 years after a tremendous solar flare created dangerous areas of high gravity in space. This area of plasma called the "Geduld" ends up linking the plants together like one giant nervous system. But this danger did not stop mankind from populating outposts along the Geduld. During a routine dive procedure, the outpost Liebe Delta is severely damaged forcing all the astronauts in training into a space ship to escape the deadly Geduld plasma. Based on the dramatic and popular sci-fi anime thriller, Infinite Ryvius the manga is about a ship full of teenage cadets lost in space desperately trying to get home while dealing with the inner strife and egos of each other.



Tags: Survival , Space , Primarily Child Cast , Female Protagonist , Shounen