Manga with Sci-Fi genre:

Full Metal Panic!

Trouble always seems to follow the beautiful and sassy, Kaname Chidori. Though she is only a high-school student, Kaname is constantly the target of terrorism. Lucky for her though, the dreamy Sosuke, an undercover agent from Mithril, is one step behind her, ready to protect her at any cost. But will he be able to save her from harm every time she is in trouble? ___ **Character Designer:** [Shikidouji](https://mangadex.org/author/5841d294-69b1-4584-90a2-fd480b5f9b12)

4.3 (170)

Chapter 58

4 years ago
Sci-Fi Action Romance Comedy Mecha
Interception

3.7 (172)
Sci-Fi Romance Mecha Slice of Life
Triton of the Sea

Young Kazuya happens upon a baby on the mountainside. This baby - Triton - is no ordinary baby. Triton is the last of his kind, but is raised alongside Kazuya in the city as a human. However, the truth is made known to Triton after he accidentally kills someone. Triton's clan was in conflict with the Poseidon clan. He must also procreate and increase his kind's size with the other surviving member of his race, a mermaid named Pippy. With the help of dolphins who are allied with the Triton clan, Triton must defeat the children of Poseidon who threaten to harm him and those he loves. [Official English](https://emanga.com/collections/osamu-tezuka/products/triton-of-the-sea-vol-1?variant=32122740166) --- **Volumes 189-192 of the Osamu Tezuka Complete Works**

3.1 (6)
Reincarnation Monsters Demons Animals Survival Martial Arts Mafia Magic Military Gore School Life Delinquents Police Supernatural Thriller Sci-Fi Action Psychological Romance Comedy Crime Sports Adventure Philosophical Drama Fantasy Slice of Life Mystery Tragedy
A Story After Everything Went Well

A oneshot by taizan5 about a girl in a world where modern civilization has fallen and of which there is the existence of what are called "new humans".

4.2 (459)
Sci-Fi Philosophical Fantasy
Mushrambo

Mankind is near extinct due to the rebellion of a slave species that they created. This story follows one of the last humans, Yakumo, as she travels to find Center, hoping to unite the humans living there in peace with the Matrixer.

2.8 (9)

Chapter 8

4 years ago
Sci-Fi Action Romance Adventure
Grand Dolls

On his way home from school, the shy young boy Tecchin finds the body of a young girl lying in the street. He alerts the police, only to come back to find she has been replaced with a life-sized doll. Tecchin takes the doll home and repairs it. She comes to life and tells him that they are both Grand Dolls, alien beings bent on world domination.

3.7 (12)

Chapter 4.1

4 years ago
Survival Martial Arts Office Workers Military School Life Police Aliens Supernatural Thriller Sci-Fi Action Psychological Romance Comedy Sports Adventure Drama Horror Slice of Life Mystery Tragedy
nacuN

Near future. World-renowned mathematician/physicist Francis Dullam loses his left brain hemisphere and retires from the hard science to study dolphins. Several years later he comes up with a new thesis (which is essentially a collection of dolphin footage). As the "thesis" is being severely criticized by the media, Ishii Mitsunari (a student living in America) discovers the idea hidden there, that will help create a true Artificial Intelligence. Motivated to create the AI first, Mitsunari leaves for Okinawa, to follow the footsteps of Dullam.

3.5 (108)

Chapter 44.5

4 years ago
Sci-Fi Romance Drama Fantasy Slice of Life Tragedy
The TS Scientist who Made a Robot for Yuri

4.2 (288)

Chapter 2

4 years ago
Sci-Fi Romance Comedy Girls Love Slice of Life
Beautiful Girl Soldier 04R1

From the author of MachiMaho and Black Gyaru School comes Souryuu's newest work. **Notes:** *0 = the letter "O" 4 = the kanji "shi" R = the letter "r" 1 = the letter "i" "04R1" becomes "Oshiri" Japanese for that sweet ass!*

3.3 (440)

Chapter 19

4 years ago
Sci-Fi Action Comedy
Mobile Suit Gundam - Formula Wars 0122

U.C.0122. One year prior to the completion of the F91, an organization known as Oldsmobile was active. The Earth Federation Forces had organized a unit to suppress them, but outer space has once again turned into a battleground. A courageous young man fights with a Gundam in order to protect the peace, yet many sacrifices are made… A 2 part Gundam manga from 1991’s Gundam Magazine.

3.1 (11)

Chapter 2

4 years ago
Survival Military Thriller Sci-Fi Action Psychological Mecha Adventure Tragedy
Crow Record: Infinite Dendrogram Another

A Full-Dive type VRMMO <Infinite Dendrogram> swept the world with its unique system that follows an "infinitely" varied pattern of evolution. "Black Raven" Juliet reigns fourth in the duel ranking of the Kingdom of Altar, one of the nations in it. She is a shy person and reserved in real life, but actually she is just a junior high school student who loves gothic and only speaks chuuni language in <Infinite Dendrogram> on a regular basis. Today too, Juliet utilizes her sword skill and Fallen Knight job skills to go on an adventure with her only friend, Chelsea.

3.8 (145)

Chapter 21

4 years ago
Sci-Fi Action Comedy Adventure Fantasy
and310 ~Hi-mote Hakase to Koi Suru Android~

This one-shot features Dr. Nijo and his beloved android Mio, about how their love grew within this short period of time from the first day they met.

3.8 (46)
Sci-Fi Romance Boys Love
Spirit Circle

Fuuta Okeya is a normal boy, except he sees ghosts. A beautiful girl, Kouko Ishigami, transfers into his class, but acts aggressively towards him. Fuuta tries to get along with her, but ends up failing after she sees the birthmark he usually keeps covered. She then declares him as her enemy, his birthmark as a cursed mark, and claims that they have a long history together in their reincarnations.

4.6 (4285)

Chapter 45.5

4 years ago
Sci-Fi Historical Psychological Romance Comedy Adventure Drama
Amuro and I

A manga centered on Osamu Wakai's childhood and his love for Gundam.

4.4 (27)

Chapter 8

4 years ago
Sci-Fi Historical Action Psychological Comedy Mecha Drama Slice of Life Tragedy
Miku-4

Miku-4 is originally a doujin web comic written by an amateur writer Nagimiso. Crypton authorized him and East Press to publish this manga. This is a sad and touching story of Hatsune Miku, a shy android created by Crypton. She grew up with the help of the people she met during her journey and gained a human mind by the devotion of an engineer.

3.9 (49)

Chapter 4.5

4 years ago
Sci-Fi Comedy Drama
Among Us

A one-shot adaptation of the video game of the same name. Published on Coro Coro Comics magazine, same publication as Doraemon, Pokemon, and Youkai Watch manga.

4.2 (466)
Sci-Fi Comedy
Darkness Heels -Lili-

Where there is "light", there is also "darkness". The Warriors of darkness versus the Ultra Warriors, the symbols of light . Ultraman Belial, Camearra, Evil Tiga, Dark Zagi, and Jugglus Juggler. The story of "darkness" and its five Dark Heroes will shake the universe!

4.4 (38)

Chapter 5.3

4 years ago
Sci-Fi Action Romance Mecha Superhero Fantasy
Boku no Sophia

A beautiful sentimental one shot by famous animator of various famous animes (Black Bullet, Attack of the Titans, Arslan Senki, Her and Her Cat, etc...)

4.5 (114)
Sci-Fi
Mega Man Battle Network Operate Shooting Star 4Koma Manga

A 4-koma manga released on Capcom's official website from November 5 to December 24 2009, to promote the *Rockman.EXE Operate Shooting Star* release.

4.3 (8)

Chapter 8

4 years ago
Sci-Fi Action Comedy Adventure Drama Slice of Life
Blue Phobia

Prisoners are sent to an island to mine an ore that lies underneath it, but there was something strange about the ore and it transformed them. The more you touch the strange ore the more it changes your skin and bones into a blue-ish color and in the end your entire body will turn into ore. After that the people that sent the prisoners set up a research facility to do experiments on them and treated them like test subjects. The story starts when one of the researchers Kai, tries to help one of the patients escape. The one-shot version won the Shinman GP award in 2017.

3.7 (165)
Sci-Fi Action Drama Mystery
Pollyanna

Tribute anthologies to Shigesato Itoi’s famous RPG *MOTHER*. Pollyanna brings together 35 manga artists and creators who love the game to create everything from serious entries to jokes, long-form pieces, drawings, and pixel art. Each creator poured their own unique love for *MOTHER* into the book, creating a truly special result. Shigesato Itoi also contributed to the book himself, creating a hand-drawn map for the overarching *MOTHER* series. The book also includes a bonus sticker sheet attached to the binding. Pollyanna 2 brings together another 40 creators for a 2nd amazing book. ___ Pollyanna 2 Links: - [Official Page](https://www.1101.com/mother_project/items/book_pollyanna2.html) - [Amazon Japan](https://www.amazon.co.jp/dp/486501604X)

4.3 (15)

Chapter 4

4 years ago
Sci-Fi Comedy Slice of Life
The Weakest Contestant of All Space and Time

A depressed salaryman must fight for his life in an intergalactic battle royal – but instead he teams up with his fellow weaklings to turn the tables! Hitomu is a young guy with no goals or dreams: he goes to work, comes home, sleeps, and repeats. That changes when he’s abducted by a god and forced to participate in a gladiatorial tournament to find the weakest being in all of space and time! After Hitomu loses repeatedly, he’s set against four weakling opponents to fight to the death…but he instead finds a way to escape, breaking out his fellow “losers”: a ghost boy, a slime girl, a useless robot, and a bug monster. Now fugitives on a hostile planet, the five weirdos must rely on each other. Alone they can’t do squat, but together they just might be able to survive. (Source: Seven Seas)

3.5 (59)

Chapter 1

4 years ago
Sci-Fi Action Adventure Isekai Drama Fantasy