Manga with Sci-Fi genre:

Dogla+Magla

Loosely based on Dogura Magura, a 1935 novel by Yumeno Kyuusaku, this manga details the struggles of a human experiment named Chris as he tries to escape from the evil organization that nurtured him, hoping to finally be able to live peacefully and freely with his bodyguard, a clone named Abel.

3.7 (9)

Chapter 3

5 years ago
Sci-Fi Action Boys Love Drama
Tsuki no Hikari ni Terasarete

3.2 (5)

Chapter 4

5 years ago
Sci-Fi Boys Love Drama Fantasy
Heavens Little Garden

A world where humankind was almost destroyed by the nuclear war. Lily, a girl who hides under a cliff, and Selene, an android who serves her. Selene was the only support and love for Lily, who lives with the faint hope of "living on earth again someday." The end-of-life GL story of "Android x Girl" presented by the creator of "Kowamoto-kun's Maiden Alliance" and "Alice's Paradise".

4.2 (282)
Sci-Fi Romance Girls Love Drama
Invoke

Kai, who receives the "virtual-dream," a machine allowing one to dive into a virtual reality of multiple worlds and times, meets a man in the virtual world. This man introduces Kai to out-of-this-world sex within virtual reality. Unable to forget him, Kai dives again into the virtual world in search of him. Is this feeling lust? Or is it love?

3.3 (8)

Chapter 4

5 years ago
Sci-Fi Boys Love Drama Fantasy
Monster Prince

1. Sanbika In a far country ruled by a beautiful Duke who seems to have formed a peculiar relationship with his right hand, Lord Yuri, there are cases of unexplained deaths… they would involve a vampire according to the spreading rumour. 2. Killing Moon 3. Life of the Machine Koreya Takane, a famous scientist, had enough of the constant obligations required by his position when all he really wants is to be left alone with his work. That's how, in order to satisfy his taste for solitude, he build up a mechanical clone of himself… But what if it becomes impossible to distinguish the replica from the original man in the end? 4. Prince of Monster A kind prince with strange red eyes who had been locked up by his uncle decides to end his misery… without knowing the grief it'll cause to his brother. He suddenly reappears 13 years after but what if he really has become the “Prince of Monster” as he used to be called? 5. Bye-Bye Mizuhara

3.3 (9)

Chapter 5

5 years ago
Sci-Fi Historical Psychological Boys Love Drama Horror Tragedy
BlazBlue - Variable Heart

A sequel to Remix Heart that ties in what happens to Mai after the events in the manga and bridges the story for her appearance in BlazBlue Central Fiction

4.1 (168)

Chapter 18

5 years ago
Sci-Fi Action Drama Fantasy
Android A Special Mission

Chapter 1

5 years ago
Monsters Military Aliens Adaptation Thriller Sci-Fi Action Mecha Superhero Drama
Wicked Mega Man

A parody of Ken Ishikawa's *Lethal Weapon* and the first *Mega Man* game. Done in Ishikawa's style. [Artist's Twitter](https://twitter.com/wv92OsY8GKSFlJU)

Sci-Fi Action Comedy Mecha Adventure
Change Squadron Car Robots

2.5 (2)

Chapter 1

5 years ago
Sci-Fi Action Mecha Adventure Drama
Rakuen no Torikago

1) The Blue-Bird’s Whereabouts 2) Breaking Apart The Blue Sky (Cont. of 1st story) 3) Missing Our Piece (Still Cont. of 1st story) 4) If I Hold You 5) Demon-guided Angel Invasion

2.8 (2)

Chapter 3

5 years ago
Sci-Fi Boys Love
Nanji no Na wa Ai

Taken from The Evil Empire: "Haruto didn't say goodbye to his best friend Noah when he was shipped off on an investigative mission to another planet. Now, years later, after the earth has been almost destroyed and Haruto is near death in the desert, Noah appears and saves him! But Noah hasn't aged a day, and seems to be acting different……"

2.8 (6)

Chapter 3.2

5 years ago
Sci-Fi Boys Love Adventure Drama Fantasy
Itsuka Sukida to Itte

Here is a war going on between the West Tokyo and the East Tokyo. Both sides have "puppets" who can read other people's minds through touch. Every "keyword" is given by two people. It doesn't work unless there is contact between their bodies. The first one to find out the keyword wins, the other dies.

2.6 (4)

Chapter 5

5 years ago
Sci-Fi Psychological Romance Boys Love Drama Tragedy
The Witch at the End of the World

1000 years ago, a war between humans and space witches ravaged the stars, destroying countless planets and taking even more lives. Eventually, the humans captured the most powerful witch and imprisoned her as a war criminal under the treaty. The castle where the Magic Lord is sealed away is watched over by a village where everyone has developed weak magical powers- everyone but Mugi that is. Determined to prove that he doesn't need magic, Mugi accidentally flies into the monster-infested forest surrounding the castle and is saved by a girl that he has never seen before…

Chapter 5.5

5 years ago
Sci-Fi Adventure Mystery
Rental Lover

From Fantasyshrine: Kurosagi Hitoshi had a phobia of getting intimate with another person! Out of loneliness, he came to a lover rental service center and signed a lease to rent Masato, a gentle android skilled in sexual techniques! However, this seemly perfect lover whom Hitoshi fell head over heels for had one fatal “defect”…!

2.9 (4)

Chapter 2

5 years ago
Sci-Fi Romance Boys Love Drama
Watashi no Cosmic Monster

Tsubaki, who places an importance on "being cute," picks up a strange fluffy creature and brings it home with her. She brings it into the bath and it transformed into a naked boy?! What is going on? Is Tsubaki going to live with "Fuwa" (as in Fluffy) the alien boy??!!

4.1 (292)

Chapter 10.6

5 years ago
Sci-Fi Romance Comedy Slice of Life
Mobile Suit Gundam - École du Ciel

Daughter of a brilliant professor, Asuna is a below-average student at Ecole du Ciel, where teachers and other students constantly belittle her. However, with the world spiraling toward war, Asuna's headed for a crash course in danger and love, as everyone prepares for combat… Set in the year UC 0085, Ecole du Ciel begins two years before the events of the Zeta Gundam.

Chapter 42

5 years ago
Thriller Sci-Fi Action Psychological Romance Mecha Adventure Drama Tragedy
Cigar Holic

The manga tells the strange tale of cigarettes in robotic human female form who expel tobacco from their kisses, much like regular cigarettes would. The male main character, who has never kissed anyone before, slowly adjusts his life around his new cigarette girl and newfound "addiction".

2.5 (65)

Chapter 3

5 years ago
Sci-Fi Romance Comedy Slice of Life
Automaton

Technology leads to a continuous evolution of violence; this age of chaos gave birth to heroes. In a not-too-distant future Japan, Akira, a high school student, has an uncertain future and begins to give up on his dream of studying robotics in college. Meanwhile, Tom Rock, CEO of the global robotics company Rock, Inc., is trying to put into place plans he's had in preparation for years. The fighter "Automaton" was developed to bring salvation to a world that has started to go crazy! The two of them meeting is the beginning of this story!

4.2 (46)

Chapter 5

5 years ago
Sci-Fi Superhero
AI Kareshi to Mojyo Hakase

Due to a request, the genius Dr. Sumiko developed an "AI boyfriend". Sumiko is pleased with her success, but the AI boyfriend began to recognize her as "his girlfriend"…!? Initially, Sumiko rejected the AI boyfriend. However, being subject to his constant love gradually leads her to acknowledge him… A hot topic on Twitter and pixiv! A love comedy between a handsome AI and an unpopular woman begins ♡ Note: the series is marked as "Cancelled", but it is closer to "Discontinued/Abandoned", as it has not been updated since December 2018. --- **Links:** - [Author's Twitter](https://twitter.com/2_riko_7) - [Author's Pixiv](https://www.pixiv.net/en/users/2507244)

4.3 (166)

Chapter 5

5 years ago
Sci-Fi Romance Comedy
Replicant no Kiss

Tsutsumu Shisui is brought up by his grandfather, Dr. Yuujirou after his father, Dr. Hiromu died. But now Yuujirou also died with a lot of debt. At Yuujirou's funeral, Tsutsumu's cousin, Sou Takigawa suddenly appears and declares that he wants to take care of Tsutsumu.

1.5 (2)

Chapter 5.5

5 years ago
Sci-Fi Psychological Romance Boys Love Drama Mystery
KADO: The Right Answer

On his way back from a business trip, negotiator Shindou Koujirou witnesses a large cube appear out of thin air, which swallows the plane he was riding, along with all of its passengers. Inside the mysterious cube is a being in the form of a human man, named Yahakui Zashunina. He is from a place called the “anisotropic”, and he wants to “advance the world”.

3.8 (38)

Chapter 4

5 years ago
Sci-Fi Drama
Takaramono

Volume 1 1) Takaramono Naoyuki, a sincere and honest country boy comes to Tokyo for high school and stays with his cousin's family. At first everybody takes advantage of him, thinking that he's too naive to catch on. His cousin Satoshi, who's in college, is no different. He demands that Naoyuki have sex with him in exchange for tutoring him… In no time, despite his less than honourable initiate intention, Satoshi starts falling in love with the pure-hearted boy. 2) Kimochi no Yukue Oneshot also found in [Koibito no Namae](https://mangadex.org/title/55801/koibito-no-namae). 3) Melody Futuristic Sci-fi story about a singer and an android that was abandoned. **Not scanlated**. 4) Afterword Volume 2 1-2) Takaramono 3) Afterword Volume 3 1) Takaramono 2) Kimi to Konomama Tells of a tragic love story between a boxer with an incurable illness and his loyal fan. **Not scanlated**. 3) Takaramono EX 4) Afterword Volume 4 1) Takaramono 2) Kimi ni Ai ni An exchange student from Britain suddenly proclaims his love for his Japanese classmate and goes on the offence. Oneshot also found in [Saikou no Kimi](https://mangadex.org/title/24834/saikou-no-kimi). 3) Yakusoku AKA Promise, also found in [Koibito no Jikan](https://mangadex.org/title/55806/koibito-no-jikan). 4) Afterword

3.1 (7)

Chapter 3

5 years ago
Sci-Fi Romance Comedy Boys Love Sports Drama Slice of Life
Hero no Himitsu

In the near future, aliens from Bluto “invade” the Earth. But what is their objective? To steal all of the timed sale groceries at rush hour and make perverted havoc among the citizens. Not the kind of aliens you would find every day. To counteract this “terrifying” enemy, a special force of heroes, “The First Star Heroes,” has been sent out wearing dynamic colors. But, out of the five heroes, two of them have a secret. Momose Kaname, a 14 year old boy who has idolized these heroes, is transformed into the team’s Pink Hero and now has to hide his identity. And “he” finds out that the Red Hero of the team is actually a girl who has experienced the same gender-bending transformation as Kaname. What will happen to these Heroes, especially Kaname, as they face all kinds of odds during their “heroic” days?

3.7 (288)

Chapter 12

5 years ago
Sci-Fi Action Comedy Superhero
Gensou Shounen Koimonogatari

Collections of fairy tales with a yaoi twist: 1) Beauty and the Beast It is almost like Disney's Beauty and the Beast. But this story is a little bit different. There is a man with 2 daughters and a beautiful youngest son. The son's name is Belle. One day, the father went out to town for business. He got the daughters' presents except the son. Then, suddenly he saw an extraordinary rose and pluck it for his son's present. A beast came out and shouted…if you want your life to be spared, bring your youngest son to this castle… The man had no choice but to ask his son to go to the castle. Will Belle go to the castle? 2) Glass Pen (Penderella) Once upon a time there was a mangaka's assistant (slave)… you can guess where this is going can't you? Penderella dreams of being a mangaka, but his mangaka (step-mother) boss is never satisfied with his work. One day there is a mangaka ball, but Penderella is strictly told he cannot go unless he finishes all his 'chores' in time… 3) Fox and the Monk A little fox fairy is flawed at human transformation, always keeping both ears and tail. One day he tries to trick a traveller with his transformation but fails, yet brashly says 'im the strongest fox fairy'. The traveller, recently cheated by a greedy monk asks the little fox to prove it - and so delivers the little fox to the greedy monk. 4) Artist and the Thief A little boy loves to tell lies, often crying wolf to the villages. Only one day he see's a group of bandits ready to raid the village, yet when he tries to tell the villagers they all ignore him. However, one of the bandits overhears him and kidnaps him! But the bandit leader, upon seeing the boy, decides to cancel the raid… what does the bandit have planned? 5) My Treasure A young boy scientist (Bill) creates a replica of his father named Jack. He teaches Jack how to talk and perform tasks, yet somehow when he says the word 'Love' Jack sweeps Bill off his feet and into bed leaving Bill to wonder where on earth Jack learned such a thing! 6) Snow White + Snow White Conclusion 7) Wish Come True

3.6 (29)

Chapter 7

5 years ago
Sci-Fi Historical Romance Comedy Boys Love Adventure Fantasy