Koruse

A world where machine civilization has perished and immortal monsters called "Monotsuki" are rampant. Isana, a girl born in a remote village, meets a mechanical person who lost her memories and looks exactly like her sister, who should have disappeared in the ruins she wandered into. Convinced that "My sister is alive," Isana gives the mechanical person the name "Hime" (princess) and together they set out on a journey to find her sister.

(Source: Ichijinsha, translated)

Garan no Hime

伽藍の姫 -がらんのひめ-

Nagayama, Yoshitaka

After defeating Dark King Demigra, Goku, and his allies go to visit the Planet of the Kaio, only to find that Kaio North and co. are nowhere to be seen... While our heroes are trying to figure out what could have happened, a mysterious new foe appears!

(Source: MangaDex)

Super Dragon Ball Heroes: Meteor Mission!

スーパードラゴンボールヒーローズ メテオミッション!

Yoruno, Hitsujigumo

Agarizaki, Yuiko

A spaceship in the shape of a horse-drawn carriage travels across the galaxy. Riding in the carriage is Ridley, the scientist who built this eccentric spaceship, and her partner Watari, a shy girl. The two leave Earth, which has become uninhabitable due to environmental pollution, and set off in the carriage. Their goal is to find a safe planet to settle.

However, all the planets they visit are very strange! A planet with a god who can bring all things back to life, another planet where the luckiest people are considered the greatest, and a planet with countless libraries... The two girls are sometimes thrown for a loop by these strange worlds...

(Source: Kadokawa, translated)

Shoujo Seikan Hyouryuuki

Girl's Interstellar Adventure

少女星間漂流記

Hasegawa, Yuuichi

Kidou Senshi Crossbone Gundam: Seeräuber

Mobile Suit Crossbone Gundam: Seeräuber

機動戦士クロスボーン・ガンダム ゼーロイバー

After having her research proposal rejected yet again, genius robotics researcher Kei wonders if anyone will ever understand what she is trying to achieve. She is consoled by Marie, a robot of her own creation specifically designed to love Kei unconditionally. In order for Marie to have the capacity to feel and understand love, Kei created the Romance Code, a proprietary simulation that requires frequent updates to maintain.

Kei's fortune changes one day when she receives an email from a major robotics company inviting her to join their team. Though elated for her creator's newfound employment, Kei's busy schedule soon changes how Marie processes her emotions. Wondering if this is just a result of not having her regular maintenance, Marie keeps these feelings hidden from Kei until her creator reveals new developments that reprogram her in a way she did not expect.

[Written by MAL Rewrite]

Romance Code

ロマンスコード

Imada, Yuuki

Shadow the Hedgehog, a failed wonder drug meant to cure Maria, struggles to find the meaning to his life. When the Earth National Defense raided the Space Colony ARK, they aimed to dispose of everything, including Maria and Shadow.

After Maria's tragic demise, Shadow is sent to a mysterious dimension known as White Space, in which he meets a mysterious one-eyed creature. The creature promises that Maria can be brought back to life as long as Shadow finds the Three Wishing Orbs.

(Source: Sonic Wiki Zone)

Shikkoku no Harinezumi: Shadow the Hedgehog

漆黒のハリネズミ シャドウ・ザ・ヘッジホッグ

Watanuki, Hiroya

Ami, an office worker and extraterrestrial, ends up getting demoted to Earth for certain reasons. What's more, on the way to Earth, she gets into an accident?...

(Source: Hero's, translated)

Aliens

Aliens: We Are Not Alone in the Universe. But We Are Alone in This World.

エイリアンズ

Nakamura, Kanko

On the day of her high school entrance ceremony, ordinary high school girl Akari receives a marriage license application from the strikingly beautiful Runa Kiyozumi. Akari is bowled over in shock, and that's before Runa shows up at her house! A torrential downpour means Runa can't go home, which means one thing: time for a sleepover! Add Mochi, Akari's stuffed animal and imaginary friend who loves to ship people, into the mix, and things are sure to get even more complicated!

(Source: Seven Seas Entertainment)

Yuri Yuri Panic: Toutosugiru Jian ga Hassei shiteimasu!

Yuri Yuri Panic

ゆりゆりぱにっく～尊すぎる事案が発生しています!～

Ouchi, Kaeru

Project Yuriforming!

プロジェクト・ユリフォーミング!

Unreal

After global warming destroyed the Earth, humanity set off for the uncharted planet paradise known as "Arcadia." Crew member Yeongsu Dong wakes up from stasis to find himself the lone survivor, orbitting the planet in the debris field of the wrecked ship. He gets to the surface, where he is immediately attacked by wild creatures, and gets caught in the civil war among the native Arcadians. He must learn to communicate and survive in this strange new world, and find a way to stop an apocalyptic comet set to destroy his new home.

(Source: Webtoon Entertainment)

Grand Finale

그랜드 피날레

Kurata, Hideyuki

Antenna Gyuugyo

A time when humanity left Earth and migrated to other planets in the galaxy. Mads, a Martian whose life is threatened by the mafia, and Viine, a Venusian who is the galaxy's greatest diva, are two unrelated people who meet due to a mysterious "orb" that fell from space. They are unaware that it is a sign of a major event that will shake the solar system. This is the beginning of a thrilling and entertaining sci-fi manga with a last-century view of the universe!

(Source: Kadokawa, translated)

Nomads

NOMADS ノーマッズ

Meeb

Ogino, Yuhey

Since his mother collapsed, Ryuji Hashiba, a high school student, has had to give up his dreams and work to earn the money to pay her hospital expenses. One day, Ryuji finds an unbelievably lucrative part-time job, and even though he knows it's shady, he participates in order to pursue his dreams again. When he follows his employer's instructions and passes through a mysterious door, an unknown world stretches out before him, and he is suddenly attacked by monsters...!?

(Source: Kadokawa, translated)

Yami Baito-saki wa Isekai deshita

闇バイト先は異世界でした

Twinstar Cyclone Runaway

12 Manga Like Twinstar Cyclone Runaway