Manga with Sci-Fi genre:

From the Beyond...

A mysterious cave in a Martian canyon preserves the memory of humanity's distant past.

Sci-Fi
Mega Man 5

Dr. Right has been kidnapped by Blues! Why did Blues ask Rockman to fight him? Is he really an enemy of Rockman, and is Dr. Right's life in danger? As Rockman tries to figure out the answers, he is confronted by eight major bosses with powerful robot armies!

4.3 (5)

Chapter 3

3 years ago
Video Games Adaptation Thriller Sci-Fi Action Comedy Mecha Adventure Drama Tragedy
Pippy

In a world faced with a flood of overpopulation, the scientists of the world are called together to come up with solutions. Prof. Leeman suggests for man to live in the sea, but is shunned. In an act of desperation, he turns his son into a merman, and sends him into the sea. This boy is found by a mother sea turtle, and is given the name Pippy. Pippy, unaware of his true parentage, grows up alongside others in the ocean, until he has a terrible encounter with humans. Thus, Pippy goes into the human world, and a long journey awaits him. --- **Volume 137 of the Osamu Tezuka Complete Works**

2.9 (4)

Chapter 3.1

3 years ago
Animals Survival Mafia Delinquents Police Supernatural Thriller Sci-Fi Psychological Comedy Crime Adventure Philosophical Drama Slice of Life Mystery Tragedy
Tokyo Game

In post-apocalyptic Japan, a nameless mahjong player ascends a massive tower, facing formidable opponents in life or death gambles.

4.0 (18)

Chapter 20

3 years ago
Traditional Games Post-Apocalyptic Gore Sci-Fi Psychological Adventure Drama
Sabi no Yume

Shindou works at a company where a certain product is being created. A product that is a cyborg sexroid modeled based on an actual boy's body. Shindou is then grudgingly put in charge of their prototype. He is initially very against his new assignment, but this cyborg boy eventually manages to melt his heart.

4.2 (138)

Chapter 9.6

3 years ago
Sci-Fi Psychological Romance Comedy Boys Love Drama
A Story About Something Humans Forget, but Cats Remember

4.2 (137)
Sci-Fi Psychological Slice of Life
Meteornauts

Beautiful girls from all over the world gather up to live... in a space station? A comedic and tear-jerking story that accurately depicts the struggles of space!

4.2 (18)

Chapter 5

3 years ago
Sci-Fi Adventure
Roppu-kun

Roppu was a toy abandoned by the child of aliens. He was rediscovered by Roppei, the son of a fisherman. Roppu can fly when the button on his chest on is pressed. Roppu can also create anything, even things thought to be impossible. When the star on his head is pressed, Roppu falls still. Roppu and Roppei have all sorts of adventures, with questionable figures often trying to get their hands on Roppu for their own desires. Volume 2 includes "Bongo" (First Grader version): Bongo is a boy who lives in the jungle and is a master archer entrusted with maintaining peace in the jungle. Bongo learns of a treasure called the Golden Bow, and goes in search of it along with his ally Chap the Squirrel. The two must overcome seven perils to reach it at the Mountain of the Sinking Moon. --- **Volumes 119 and 120 of the Osamu Tezuka Complete Works**

3.0 (3)

Chapter 21.2

3 years ago
Monsters Ninja Survival Mafia Office Workers School Life Delinquents Sci-Fi Action Psychological Comedy Mecha Crime Sports Adventure Drama Slice of Life Tragedy
The Cape Sunazuri Bookstore

A traveling salesman finds what he's looking for in a second-hand bookstore in the countryside.

3.9 (38)
Sci-Fi Adventure
Rootless Market

When a private detective in a bustling market town in a post-apocalyptic future is asked by the local mob boss to find a certain person, she finds more than she bargained for...

3.8 (38)
Sci-Fi Comedy Crime Adventure Mystery
3: Utakata no Hibi

Length speaks.

4.6 (54)
Sci-Fi Romance Comedy
Fukoku Sakusei ~Shounen no Seieki wa Chikyuu wo Sukuu~

Summer, 2090 AD. A super medical revolution occurs. It started 10 years ago. It was because a certain substance was discovered. It was a substance that could heal all kinds of diseases. That substance was... the sperm of a young boy from around 10 or 14 years old. The world... was entering into a big 'milking era..

3.4 (18)

Chapter 14

3 years ago
Sci-Fi Boys Love Medical
Self-Propelled Public Bath

A postapocalyptic science fiction world of desolate deserts. Toranoyu, a self-propelled bathhouse that moves from town to town. Relaxing in the hot water as guests are three women from a scrap metal recovery business. Set in a chaotic fictional future world, guns and violence, lust and humanity intersect in this sci-fi action drama!

4.1 (82)

Chapter 4

3 years ago
Sci-Fi Action Comedy Adventure
Macross Δ: White Knight of the Black Wing

The year is Year 2058 and the 'White Knight', Keith Aero Windermere who is a royal prince but as an illegitimate child of the king has no right to the throne, returns home to Windermere. His younger brother, Heinz, the heir to the throne is the "wind singer" and his voice can cause havoc to the enemy. Everyone in Windermere is preparing for war and everything will depend on the relationships of the two brothers and the people around them! The long-awaited manga providing the background story of the airborne knights who take part in "Macross Delta"! (The story takes place 9 years prior to the events of Macros Delta.)

3.7 (22)

Chapter 11.5

3 years ago
Sci-Fi Mecha
Mobile Suit Gundam U.C. 0094 - Across The Sky

In Universal Century 0094, a live exercise for the MSN-001X Gundam Delta Kai is being carried out in outer space. This mobile suit is equipped the "NITRO System" that grants regular pilots the abilities of a Newtype. While the Gundam Delta Kai displays overwhelming power, a side-effect causes the test pilot's personality to become more aggressive. Back on Earth, the Earth Federation Forces aggressor squadron "Raven Corps" arrives at the Federation Forces Mariana base. Brothers Braier and Ing Ryude, who are pilots stationed at Mariana base, participate in a mobile suit mock-combat exercise with the Raven corps. During the exercise, the brothers are attacked by the Raven corps using live ammunition. Piko Altidore, captain of the Raven corps, reveals the object of the attack is the Gundam Delta Kai stored in "Area X" of the Mariana base. During the battle, Ing boards the Gundam Delta Kai to defend the base against the Raven corps' assault. However, the NITRO system brings about a berserk state in Ing, causing him to attack both allies and enemies. Piko manages to subdue the Gundam Delta Kai with a pulse grenade and opens a communication line with Ing. After this exchange, Ing seemingly joins the Raven Corps and departs the Mariana base in the Gundam Delta Kai.

3.9 (24)

Chapter 16

3 years ago
Thriller Sci-Fi Action Psychological Mecha Adventure Tragedy
Kimi wa Haru ni Me o Samasu

From Lovesick Alley Ito and Chiharu, though seven years apart, share a very deep friendship in which Ito has an unrequited love for Chiharu. In a turn of events, Chiharu is afflicted with a terminal illness and is put into an induced comatose state in hopes that a cure will be developed while he is sleeping. After seven years, Chiharu wakes up, and finds that Ito is now the same age as him, and that his then-classmate has become his homeroom teacher.

4.0 (217)

Chapter 50

3 years ago
Sci-Fi Romance Drama
Futureman Kaos

Koji Sunami and Jo Daigo are childhood friends, who together take the exam to get into the prestigious Milky Way Academy. However, Koji passes and Daigo fails. A mysterious man offers Daigo a place in the academy and a high-ranking position, but only if he kills Koji. He accepts, but Koji is helped by a mysterious girl and is revived. He returns ten years later to find Daigo in great power, and is sent by him to the prison planet Chaos. --- **Volumes 131-133 of the Osamu Tezuka Complete Works**

4.3 (2)

Chapter 2

3 years ago
Monsters Animals Aliens Sci-Fi Action Psychological Comedy Adventure Drama Tragedy
Mega Man Maniax

A series of short and comical stories, essays, and projects requiring reader participation that were originally published in Comic BomBom between 1997-1998.

Chapter 10

3 years ago
Thriller Sci-Fi Action Comedy Mecha Adventure Drama
Mega Man World 3

During a fun camping trip with Roll, Rockman is back to fight against Dr. Wily, who has set out to take over the world. The enemies are powerful, including Snake Man, Gemini Man, and Dive Man. If he's not careful, he'll be defeated. Hang in there, Rock!

4.2 (3)

Chapter 5

3 years ago
Survival Video Games Adaptation Thriller Sci-Fi Action Mecha Adventure Drama
Mega Man World

One day, robots under the control of an evil scientist suddenly start to run amok! The only one who can save the day is the righteous robot Rockman! A two-part adaptation of the Game Boy games *Rockman World 1* and *2*.

3.7 (3)

Chapter 2

3 years ago
Oneshot Survival Video Games Adaptation Thriller Sci-Fi Action Mecha Adventure
Mega Man 8

Two forces emerge from the darkness and pierce the surface of the Earth. Good or evil, it was he (Wily) who took one of them in his hands. Meanwhile, Forte chases after Rock. Everything is guided by fate, and Rock takes a stand against Wily's new ambition!

3.9 (7)

Chapter 14

3 years ago
Thriller Sci-Fi Action Comedy Mecha Adventure Drama
Gishi Sanjinden

A unique collection of one-shots loosely connected to Shino Ura's other short works. The history of an animal shaped like humans. The story of a girl who switched her face with her self in a puddle. The story of a mermaid in a flask in a garbage-filled river. A story of gods on modern streets. A collection of scifi works which originally appeared as a webcomic with additions for the tankoubon format.

4.2 (52)

Chapter 7

3 years ago
Sci-Fi Historical Action Psychological Philosophical Drama Horror Slice of Life
Ultraman G

(from ebookjapan): Kazuhiko Shimamoto unleashes Ultraman on fire! **"If you can't win, what's the point! Even if you lose your life!"** "Ultraman G" serialized in "TV Magazine (Kodansha)" from October 1990 to November 1991 issue by Kazuhiko Shimamoto, a hot-blooded mangaka, is back in a new edition after 26 years! Your fighting spirit will be violently shaken by the figure of the hero who stands up again and again even after being wounded and falling down! The cover illustration is newly drawn just for this new edition. Shimamoto's manga adaptation of Ultraman G, also known as Ultraman: Towards the Future. Scanlation done by Florida Man Scrubs who had given his blessing to upload it, visit his website [here.](https://floridamanscrubs.wordpress.com/)

3.3 (12)

Chapter 14

3 years ago
Monsters Survival Martial Arts Military Gore Aliens Supernatural Adaptation Thriller Sci-Fi Action Psychological Adventure Drama Tragedy
Dragon Ball GT - Shadow Dragons Saga (Animation Comic)

4.0 (12)

Chapter 1

3 years ago
Sci-Fi Action Comedy Superhero Adventure Fantasy