Manga like Sei Muscle

Grappler Baki

Also known as Baki the Grappler.

Status: Finished
Genres: Action , Sports

A seventeen-year-old boy with a white belt enters a karate tournament and shakes the foundations of Japan’s martial arts scene. As he effortlessly defeats his opponents, the world’s top fighters are left to ask: just who is this bizarrely strong young man, and what is he trying to achieve?



Tags: Martial Arts , Male Protagonist , Revenge , Primarily Male Cast , Gore , Shounen , Estranged Family , Achronological Order , Nudity , Tragedy , Sumo , Ensemble Cast , Yakuza

Hokuto no Ken

Also known as Fist of the North Star.

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

One day, a wanderer appears out of the wasteland to bring justice to the guilty and hope to the people—a warrior named Ken, a man who bears seven scars upon his chest and holds the secret of a mysterious martial art known as Hokuto Shinken, the Divine Fist of the North Star!



Tags: Male Protagonist , Post-Apocalyptic , Martial Arts , Shounen , Tragedy , Gore , Gangs , Primarily Male Cast , Primarily Adult Cast , Magic , Philosophy , Disability , Time Skip

Kakugo no Susume

Status: Finished
Genres: Action , Ecchi , Horror , Mecha , Sci-Fi , Supernatural

Kakugo and Harara are two siblings who have been trained to fight demons, monsters, and other creatures that are now roaming about in the post-apocalyptic 21st century. Along with their superior fighting techniques and specialized skills, they were also given special suits called Zero armor, which were made from the souls of dead warriors. Unfortunately Harara succumbs to evil within the Zero armor, and Kakugo is the only human alive that has the skills and equipment to defeat his sibling.

Tags: Post-Apocalyptic , Superhero , Henshin , Gore , Tokusatsu , Survival , Dystopian , Nudity , Cultivation , Super Power , Body Horror , Eco-Horror , Shounen , Bisexual , Monster Girl , School , LGBTQ+ Themes , Zombie , Youkai , Urban Fantasy , Heterosexual , Body Swapping , Samurai , Gods , Succubus

Tetsuwan Atom

Also known as Astro Boy.

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

In the distant year 2003, Japan is a technological utopia, and robots are everywhere. One such robot, Tobio, was built by the brilliant Dr. Tenma to replace his dead son. But when it soon becomes apparent that Tobio is an imperfect copy of his departed child, Dr. Tenma throws him out. He is rescued from the scrap heap by the benevolent Professor Ochanomizu, a crusader for robot civil rights. Now the little robot, renamed Astro Boy, is given a mission to defend Japan and the world from all manner of sinister threats. Using his seven super-abilities and 100,000 horsepower worth of strength to battle evil, Astro hopes to set an example to the world of the good which all robots are capable of.

Note: Chapter count only includes chapters from the original 1951 to 1968 serial

Tags: Robots , Artificial Intelligence , Philosophy , Shounen , Politics , Male Protagonist , Episodic , Aliens , Space , Time Manipulation

Berserk

Also known as Berserk.

Status: Releasing
Genres: Action , Adventure , Drama , Fantasy , Horror , Psychological

His name is Guts, the Black Swordsman, a feared warrior spoken of only in whispers. Bearer of a gigantic sword, an iron hand, and the scars of countless battles and tortures, his flesh is also indelibly marked with The Brand, an unholy symbol that draws the forces of darkness to him and dooms him as their sacrifice. But Guts won't take his fate lying down; he'll cut a crimson swath of carnage through the ranks of the damned—and anyone else foolish enough to oppose him! Accompanied by Puck the Elf, more an annoyance than a companion, Guts relentlessly follows a dark, bloodstained path that leads only to death...or vengeance.



Notes:
Volumes 1-5 contain the 16 prequel chapters 0A - 0P.
Chapter 83 was omitted from Volume 13 due to the author’s request.
Volume 14 includes “Berserk: The Prototype”.
Due to the author's passing, starting from Chapter 365, the manga is illustrated by Studio Gaga (Miura's assistants) and supervised by Kouji Mori (a close friend of Miura's).

Tags: Tragedy , Seinen , Revenge , Male Protagonist , Demons , Cosmic Horror , Gore , Philosophy , Found Family , Anti-Hero , Rehabilitation , Swordplay , Travel , Mythology , Magic , War , Survival , Body Horror , Foreign , Gods , Religion , Primarily Adult Cast , Nudity , Fairy , Politics , Dystopian , Military , Disability , Witch , Amnesia , Time Skip , Elf , Coming of Age , Sadism , Torture , Heterosexual , Ensemble Cast , Kaiju , Curses , Achronological Order , Age Regression , Skeleton , Cult , Tomboy , Medieval , Adoption , Dungeon , Super Power , Kingdom Management , Slavery , Group Sex , Prostitution , Cannibalism , Dragons , Pregnancy , Incest , Ships , Monster Girl , Vore , LGBTQ+ Themes , Masturbation , Monster Boy , Mermaid , Fellatio

Violence Jack

Status: Finished
Genres: Action , Drama , Ecchi , Fantasy , Psychological , Sci-Fi

September 11, 197x, In the whole Kantou region a magnitude 8-9 violent earthquake occurred. Scholars called it the great destruction of the Showa Era, but the people called it the earthquake from hell! Volcanoes erupted, buildings crumbled, Tokyo became decimated in a single day. The government, after failing to recover the city, abandons Tokyo and moves the capital. The survivors form a society with no laws. In this harsh lawless world emerges Jack, a 10 foot giant who annihilates anyone and anything in his path. The manga details his journey.

Note: This was the serialization in the magazine Weekly Shounen Magazine and Monthly Shounen Magazine.

Tags: Post-Apocalyptic , Gangs , Survival , Anti-Hero , Natural Disaster , Dystopian , Yakuza , Samurai , Gore , Terrorism , Shounen , LGBTQ+ Themes , Alternate Universe , Nudity , Motorcycles , Guns , Revenge , Crossdressing , Ensemble Cast , Femboy , Swordplay , Crossover , Tragedy

Devil King

Also known as Devil King.

Status: Finished
Genres: Sci-Fi

In Kitakaruizawa, a human larger-than-life springs forth from the Kobayakawa Research Center in the middle of the night. That same human, in an instant of pain and agony, turns to dust and is swept away by a forceful gale across the landscape, a tremendous sight witnessed only by clan of truck drivers rushing down the late-night highway. The experiment of Doctor Kobayakawa ends in a disappointing failure, yet the elder brother of a young Akio makes the acquaintance of the Doctor, unmistakably a trap, one bearing the danger of a new experiment...

(Souce: Jmanga)

Tags: Seinen