Hagane

In a universe overrun by the dark primordial beasts known as Krakens, the remnants of humanity contend for black ether, a fearsome energy source harvested from black holes. Amid the wreckages of war, the heroic spy Oriale takes on a critical mission!

(Source: Kodansha)

Kraken Mare

KRAKEN MARE

You know him as the legendary Ranker, Urek Mazino—but once, he was just another Regular, climbing the Tower alongside both teammates and enemies. What awaits him after charging into the Tower, chasing after Phantaminum? Whatever it is he desires... will he find it there?

(Source: Webtoon Entertainment)

Tower of God: Urek Mazino

우렉 마지노

Osaishi, Waga

In these times of war, corporations from various nations were zealously developing weapons, competing through live demonstrations of their battle suits. During one mission, Austin, the ace of Nightblower Corp., encounters a fighting salesman from a rival company...

(Source: MANGA Plus)

Tatakau Salesman

Battle-Ready Salesman

戦うセールスマン

Yeongju

Cha Ddeosari, or Plankie, lost her family to an alien attack years ago and is bullied for her unusual name and obsession with aliens. When two mysterious Kudoomians—aliens with pink blood, disguised as humans—appear to capture her, she fights back using a strange power... the ability to control the stars. Outnumbered and outmatched, suddenly a blue alien steps into the fray, offering what might be the chance at friendship she's been searching for her entire life. Will Plankie finally find the ally she needs?

(Source: Webtoon Entertainment)

Project Mars

프로젝트 마르스

Yakou, Chu

Last Heat

ラストヒート

Tanaka, Kuu

At the edge of the universe drifts a solitary vessel. Within its confines, a man serves an "eternal imprisonment." Through the endless passage of time, he becomes the first to create "something" unprecedented in space...

(Source: MANGA Plus)

Uchuu no Jouken

Laws of the Universe

宇宙の条件

Kamoshida, Hajime

Takagi, Shuuei

Earth: the third planet of the solar system, and the cradle of humanity. As time marched on from humanity's birth, breakthroughs in science and biotechnology promised to end suffering and conflict, ushering in an age of everlasting prosperity... or so it was believed. Now, the year is Koureki 2030. The Earth, once humanity's sanctuary, teeters on the brink of collapse. Only 258 survivors remain. And with them, a single Gundam.

(Source: Kadokawa, translated)

Kidou Senshi Gundam Eight

Mobile Suit Gundam Eight

機動戦士ガンダムエイト

Yanauchi, Daiju

The manga centers on a corporate worker named Satou, whose peaceful life is upended by an incident that he could have never predicted. In the midst of unbearable loss, an unstoppable rage emerges within Satou's heart.

(Source: ANN)

Batsu

The Punishment

Sao, Satoru

Yanai, Takumi

Captain Gorou Edajima, a seasoned captain who has visited the various countries of the Special Region on a research mission, and master cook Petty Officer, 1st Class Hajime Tokushima were given a special mission: rescue an American journalist kidnapped in the Special Region! Aboard an Oyashio-class attack submarine, they set out onto the seas of the Special Region, but little did they know their mission would lead them headfirst into a whirlpool of petty rulers and pirates vying for control in the Blue Sea...

(Source: AlphaPolis, translated)

12 Manga Like Ginga Eiyuu Densetsu

Kraken Mare

Tower of God: Urek Mazino

Tatakau Salesman

Project Mars

Last Heat

Uchuu no Jouken

Kidou Senshi Gundam Eight

Batsu

Gate Season 2: Jieitai Kanoumi nite, Kaku Tatakaeri

Golden Kamuy: Tsurumi Tokushirou no Shukugan

Iroha no Mon

King Micheon of Goguryeo