1. Read Manga Online
  2. Sci fi
  3. Page: 1
4.6

Sword Art Online Alternative - Gun Gale Online

Chapter 20
  • 1.20m
  • Shigusawa Keiichi, Kawahara Reki

The story follows Karen Kohiruimaki, a 183-centimeter-tall (6-foot-tall) college student who's insecure about her height, and is bad at dealing with people in the real world. She enters the world of Gun Gale Online with her avatar, Ren, who is less than 150 centimeters (5 feet) tall and wears all pink. She meets a beautiful, brown-skinned female player who goes by Pitohui. They hit it off, but one day Pitohui pressures her to participate in "Squad Jam," a team battle royale variation of the Bullet of Bullets tournament.

4.64

Mercenary Enrollment

Chapter 218
  • 164.60m
  • Yc

Yu Ijin was the sole survivor of a plane crash when he was little. After becoming a mercenary to survive for 10 years, he returns to his family in his hometown.

4.43

It Starts With A Kingpin Account

Chapter 331
  • 27.50m
  • Renshan Animation

The sudden crisis brought the earth directly into the OL era, and all mankind was reduced to the palm of unknown forces. Everyone became a first-class trumpet. In the cruel era of the weak and the strong, the high school student Ye Hao could only rise to three. Level, when he was about to die, accidentally opened the king’s account upgrade system, can Ye Hao become the strongest king?

4.57

Franken Fran Frantic

Vol.10 Chapter 65: Family Fiction
  • 2.80m
  • Katsuhisa Kigitsu

The wacky adventures of Fran, Veronica and the other strange creatures continue. More experiments, more medical miracles and more wondrous surprises.

4.54

Cheating Men Must Die

Vol.20 Chapter 445: My Beloved Goddess - Her Royal Holiness’ Invitation
  • 50.70m
  • The King (时代漫王)

One moment oppressing scum yields a moment of satisfaction. Continuously oppressing scum yields continuous satisfaction. Our female main lead, Su Lüxia is bound to the Female Lead Counterattack System and transmigrates to several small worlds. Using elaborate means, she beats up countless cheating bastards and bitches. Su Lüxia: "Only a cheating bastard's tears of remorse, and the pained moans of a bitch unable to get what she wants bring me solace." System: "Has my host tapped into her humanity today? Nope."

4.09

Approximal Guide

Chapter 14
  • 51.82k
  • Pih, Argon 18

"...If he doesn't receive guiding, that child will die."The war hero and S-class guide Kang Hajung, whose body is covered in scars. His plans for his long-awaited retirement go down the drain, and to make matters worse, he becomes the guide of the much younger Kim Muhyeok. One day, while on a mission, he is killed by an unidentified esper. As he laments not retiring before his death, he wakes up to find himself in the body of a complete stranger, and even more surprisingly, in the body of a D-rank guide who shares his name"Now that it's come to this, I'm going to retire before anyone finds out."+

3.81

White World

Vol.4 Chapter 38: Dream In Color
  • 405.50k
  • Coli.e

When one day a Meteorite crushed on earth, the lifes of the three best friends Hitokazu, Nic and Victor suddenly changed as on their last jointed school-year they are faced with the consequences the meteorite brought with itself. The people that had survived the impact have suddenly developed powers and abilities human beings normally can not achieve but those who didnt gain those new abilities, just dissolved.

4.75

Kaiju No. 8

Chapter 119
  • 71.90m
  • Matsumoto Naoya

A man, unhappy with the work he has had to do in life, is involved in an unexpected event ...! He becomes a Kaijuu, a monstrous creature, giving him a new chance to achieve what he always dreamed of! Italian /Italiano:  Un uomo, infelice del lavoro che deve fare per il resto della sua vita, rimane coinvolto in un evento inaspettato...! Si è trasformato in un kaiju, una creatura mostruosa, che gli darà un'altra opportunità per raggiungere ciò che ha sempre sognato!

4.71

Koukaku No Pandora - Ghost Urn

Chapter 71
  • 0.78m
  • Shirow Masamune

It is an age when large-scale natural disasters frequently happen all over the world. It is a time when cyborgs and autonomous robots are beginning to appear on the market in technologically advanced nations. Major world powers compete for technology and resources. The divide between rich and poor grows and the future for the poor looks bleak. In this transitional stage, everyone wanders around in a self-indulgent daze and the way out isn't clear... This is the story of how two cybernetically enhanced girls meet in such an era. Koukaku no Pandora is the new action packed manga series by Koshi Rikudo, based on an original story by Masamune Shirow.

4.4

Super God Gene

Chapter 281
  • 24.30m
  • Twelve Winged Dark Burning Angel

Based on an adaptation from the author's novel Twelve Winged Dark Seraph'. In the future, countless beasts will invade. As you are able to gain certain genes from devouring the flesh of beasts, humankind welcomed an era of genetic evolution. Han Sen, a newcomer who had just entered the shelter, was a despised Butt Maniac' on the outside. He is, however, also the B God' that was admired by many! Han Sen: "I'm sorry, but only I can get the Super God Genes!"Choj Shn Jyn , Super Gene ,,  ,

4.71

The Chronicle Of Seven Cities

Vol.3 Chapter 16: Battle For Peru Strait, Part ③
  • 380.20k
  • Fukuda Ikumi, Tanaka Yoshiki

The story is set in a near-future Earth, in the aftermath of a major disaster that shifts the planet's polar axis 90 degrees, situating the poles along the equatorial line and killing everyone on Earth. A moon-based colony avoids the disaster, and begins recolonizing the depopulated Earth by establishing seven cities in strategic locations. However, to ensure the loyalty of the Earth colony, the moon establishes an orbital defense system that destroys anything that flies 500 meters in the air. When an unknown virus kills everyone on the moon, humanity becomes trapped on Earth, where the political intrigues of the seven cities continue to play out.

4.66

Mahouka Koukou No Rettousei - Shizoku Kaigi-Hen

Vol.4 Chapter 17: Request
  • 1.70m
  • Satou Tsutomu, Takeda Hazumi

At the Yotsuba New Year's gathering, Miyuki was names as the successor whilst Tatsuya was named her fiancé. Tatsuya and Miyuki's non-sibling relationship and engagement are now public knowledge. Among the shocked students the most shocked are those that knew the siblings. Meanwhile, the Ten Master Clans selection meeting, followed by magicians all over the world, is due to take place at a hotel in Hokone. Adaptation of the original novel's volumes 17-19.

4.7

I'm The Evil Lord Of An Intergalactic Empire!

Vol.7 Chapter 35.2
  • 36.80m
  • Yomu Mishima, Nadashima Kai

Liam Sera Banfield is a reincarnator. He was reincarnated into a fantasy universe of swords and magic, but at a time that civilization was already making advancements into outer space. The setting takes place in an intergalactic empire, a space opera-like universe where humanoid weapons and spaceships do battle. Liam, who had incarnated into an aristocratic family in a monarchic society, has the ambition to one day become an evil lord. In his previous life, Liam had unfortunately lost everything and died in despair. "It's foolish to live for others. I will live for myself."  Holding those feelings in his chest, he starts towards his second life, but is instead worshipped as a virtuous ruler from his difference in values. Will Liam be able to safely become an evil lord?

5

The Urban Legend Files

Chapter 4
  • 0

Mokume is a first-year college student and occult fanatic! She hunts down an older student, Kugutsu, who is rumored to attract urban legends of all kinds... What will happen when she joins the Occult Club? The long-awaited occult comedy from the creator of Janji, Kazuki Hiraoka!

4.57

Guilty Children

Vol.3 Chapter 13: Monster Zoo (5)
  • 2.70m
  • Sakano Anri, Asagiri Kafka

English The story begins with an attack on humanity by giant indestructible monsters named "Enemies". The Enemies drive humanity to the brink of extinction... but the one to save the world from the depths of hell is a lone boy! The SF novel series by Kafka Asagiri (Bungou Stray Dogs) jumps into the manga scene with art by Anri Sakano (Sayonara Peter Pan)! Is he God or is he the Devil...will the amnesiac protagonist Kyle Kamishiro bring a future filled with hope, or...!? Russian История начинается с нападения на человечество гигантских неразрушимых монстров.

4.69

Omniscient Reader's Viewpoint

Chapter 241
  • 48m
  • Sleepy, C (Redice Studio), Shong, Sing

‘This is a development that I know of.’ The moment he thought that, the world had been destroyed, and a new universe had unfolded. The new life of an ordinary reader begins within the world of the novel, a novel that he alone had finished.

4.65

Cavier Falcon Princess

Chapter 103
  • 22.40m
  • Dongjeon, Han Ryui, Samweoleh

Zelle, the eighth royal princess of Roymonde, who was driven to the brink of defeat in the war. She was kidnapped by the enemy, and when she woke up… She became a bird?! Fortunately or unfortunately, as the messenger bird of Commander-in-Chief, Valhayle! She struggles for her country even though she is in a bird's body. But you can't even do as much as treat me like a bird!! “Gweeckkk!” Carrier Falcon Princess / Herald Princess / 전령새 왕녀님

4.78

Dandadan

Chapter 177
  • 65.40m
  • Tatsu Yukinobu

New series recommended by author of Chainsawman and Jigokuraku

4.56

Final Fantasy: Lost Stranger

Chapter 64
  • 3.10m
  • Kameya Itsuki

Final Fantasy: Lost Stranger was released as part of the Final Fantasy franchise's 30th anniversary project. The manga follows a Square Enix's employee who dies, and is reincarnated into the world of Final Fantasy.

4.58

Legend Of The Galactic Heroes (Michihara Katsumi)

Vol.7 Chapter 69
  • 33.01k
  • Fujisaki Ryu, Tanaka Yoshiki (田中芳樹), Michihara Katsumi, Tanaka Yoshiki

Five hundred years ago, Rudolf von Goldenbaum united the disparate governments of humankind and established a mighty human empire, a tribute to his own greatness that stretched across the galaxy. Demanding loyalty and discipline, Rudolf created an order designed to long outlast his own rule; but all human works fade in time. Today, the decaying empire faces the threat of the Free Planets Alliance and military leaders on both sides jockey for power in the face of a seemingly inevitable conflict. On the side of the empire, the young general Reinhard von Lohengramm sees war as an opportunity, and the empire as soft clay ready for his own sculpting. On the side of the alliance, would-be historian Yang Wen-li would like nothing better than to live out his days in peace - but times of war have little use for men who waste their days studying the mistakes of the past. Based on the first 2 novels.

4.01

Sanda

Vol.11 Chapter 89: Flower Arrangement For Black Company
  • 1.10m
  • Itagaki Paru

The story starts with Sanda, a second year middle school student, getting attacked with a kitchen knife by his classmate Fuyumura. While Sanda couldn't make sense of the situation at first, he gradually came to believe that Fuyumura's actions were just mean acts stemming off from the latter having a peculiar puberty phase.    But that is all a misunderstanding. Fuyumura actually suspects that Sanda is the descendant of a certain lineage…

4.74

Sentaku No Toki

Chapter 7: No Matter What You Are
  • 294.60k
  • Gunchi Kiri

During summer break, a junior high school student Mitsuharu collides with an unusual creature while speeding on his bicycle. That unusual creature was a genderless alien called Toki who came to Earth for a "purpose". An unpredictable story about a lonely human and an alien starts!

4.9

Hoshi O Tsugu Mono

Vol.4 Chapter 29: Reunion
  • 413.80k
  • James P. Hogan

In 205X, armed forces and conflicts are a thing of the past and people live safe, peaceful lives, all thanks to a cheap, inexhaustible source of energy. One day, something strange is discovered on the moon: an ancient corpse in a spacesuit. The corpse is undeniably human, but it appears to be about 50,000 years old! What does this mean about the history of our species and what effect will this discovery have on current human society? Won the Seiun Award in 2013