Manga like Chikyuugai Shounen Shoujo

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

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

Bokurano

Also known as Bokurano: Ours.

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

One summer, fifteen kids innocently wander into a nearby seaside cave. There they meet a strange man who invites them to play an exciting new video game. This game, he explains, pits a lone giant robot against a horde of alien invaders. To play the game all they have to do is sign a simple contract. The game stops being fun when the kids find out the true purpose of their pact.



The extra story Bokurano: Mou Hitotsu no Bokurano (Yet Another Bokurano) ran after the completion of the main story.

Tags: Cosmic Horror , Tragedy , Philosophy , Super Robot , Denpa , Ensemble Cast , Seinen , Primarily Child Cast , Alternate Universe , Military , Gore , Anti-Hero , Bullying , Dystopian , Politics , Body Horror , Age Gap

Dosei Mansion

Also known as Saturn Apartments.

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

Far in the future, humankind has evacuated the Earth in order to preserve it. Humans now reside in a gigantic structure that forms a ring around the Earth, thirty-five kilometers up in the sky. The society of the ring is highly stratified: the higher the floor, the greater the status. Mitsu, the lowly son of a window washer, has just graduated junior high. When his father disappears and is assumed dead, Mitsu must take on his father's occupation. As he struggles with the transition to working life, Mitsu's job treats him to an outsider's view into the various living-room dioramas of the Saturn Apartments.



Tags: Seinen , Space , Coming of Age , Found Family , Class Struggle , Work , Male Protagonist , Ensemble Cast , Iyashikei , Episodic , Urban Fantasy

Futatsu no Spica

Also known as Twin Spica.

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

In a Tokyo of the not-too-distant future a young girl looks up to the stars with melancholy in her heart and hope in her eyes. Thirteen-year-old Asumi Kamogawa’s life has been tied to those stars; her future may very well be among them. And she is not alone... Asumi is one of many young people with ambitions to some day head off to space for Japan’s first manned mission.

Before liftoff, like any true astronaut she must show the right stuff and overcome odds to pass numerous physical and mental trials if she even wants to be considered in the running for a rare spot in the elite Tokyo Space School.



Tags: Space , Coming of Age , Female Protagonist , Astronomy , Tragedy , Ghost , School , Afterlife , Seinen , Clone

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

Jupiteria

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

Tags: Seinen , Space

Dokyouboshi

Status: Finished
Genres: Drama , Sci-Fi

For the search of the Mars Exploration Corps, astronaut selection test begins.

Tags: Space , Seinen

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

Ginga Tetsudou 999

Status: Finished
Genres: Adventure , Drama , Fantasy , Psychological , Sci-Fi

Tetsuro Hoshino is a young street urchin who desperately wants to replace his human body with an android body, which would grant him immortality and the social freedom the androids have. Normally this is incredibly expensive but it has long been rumoured that if you board the Galaxy Express headed for the Andromeda Galaxy, at the end of the line is a planet where they are given out for free. After seeing his mother murdered by an Android Count, he has no reason to remain on his home planet and nothing to hold him back. Now, not only seeking the android body of his dreams but also a way to avenge his loss, he begins to search for a way to board the train alone. Then he meets Maetel, a mysterious woman who offers him a ticket aboard the train if he will be her companion for the journey. Their journey will take them to planet after planet, each strange and new, and each stop along the way being an opportunity for Tetsuro to reflect on being human, human actions, and the prospect of immortality. During their travels Tetsuro and Maetel meet, amongst others, Emeraldas and Harlock.

Note: The first cycle was released from 1977 to 1981 and spans volumes 1-18.

Tags: Space , Philosophy , Trains , Episodic , Aliens , Female Protagonist , Male Protagonist , Space Opera , Shounen