Highlights

  • Mixing sci-fi elements with the isekai genre creates an intriguing blend that keeps readers hooked and wanting more.
  • These manga incorporate futuristic concepts, technology, and advanced civilization into the fantasy world, providing a new experience for readers.
  • These unique isekai stories explore various themes such as power, revenge, and the integration of modern knowledge into a fantasy world.

One hallmark of the Isekai genre is that the story occurs in a magical fantasy world. The main character reincarnates or transports into another universe, either as a human being or a monster. With so many anime and manga following this setting, it is only a matter of time before readers find it boring, too familiar, and predictable.

Creators are always coming up with something relatively new to keep readers hooked and wanting more. Mixing Isekai with science fiction elements is an intriguing blend that leaves readers wanting more. Sci-fi is a broad genre involving technology and futuristic concepts based on science, and plenty of Isekai manga incorporate these elements.

8 In Another World With A Smartphone

In Another World With My Smartphone - Touya And Main Cast Posing For His Smartphone Camera
  • Japanese Title: Isekai Wa Smartphone To Tomo Ni
  • Number Of Chapters: Still Publishing

It is safe to assume that most individuals, especially teenagers, are a little bit obsessed with their phones, and it is because of the technological era they find themselves in. When the main character of this manga, Touya, dies, the only thing he wants is his smartphone with him as he reincarnates into this fantasy world.

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Toyua’s death happens to be a mistake, and upon getting his smartphone, he also wields great powers from God that make him unstoppable. Touya’s smartphone becomes a vital part of his story as he uses it to explore this world and use his unlimited power and knowledge to solve problems and get women.

7 I'm The Evil Lord Of An Intergalactic Empire!

I'm The Evil Lord Of An Intergalactic Empire! cover image
  • Japanese Title: Ore Wa Seikan Kokka No Akutoku Ryoushu!
  • Number Of Chapters: Still Publishing

This manga tells the story of Liam Sera Banfield as he attempts to be an evil tyrant. In his previous life, Liam was a sweet and caring man, but sometimes good things happen to bad people. Unfortunately, Liam was not able to see how much of a selfish person his wife was until after he died.

This new information shapes him as he enters a new world, an intergalactic empire. Liam now wants to live for himself and not care for others as he did in his previous life. He tries so hard to be evil, greedy, and self-centered, but it keeps backfiring as people around him regard him with respect. This manga takes place in an advanced world where civilization has futuristic technology and access to space.

6 Reborn As A Space Mercenary: I Woke Up Piloting The Strongest Starship!

Reborn As A Space Mercenary: I Woke Up Piloting The Strongest Starship!
  • Japanese Title: Mezametara Saikyou Soubi To Uchuusenmochi Datta Node, Ikkodate Mezashite Youhei Toshite Jiyuu Ni Ikitai.
  • Number of Chapters: Still Publishing

Sato Takahiro’s idea of a fantasy world involves magic, elves, adventures, and the like. That is the usual setting of an Isekai manga, where the main character reincarnates into a magical world. However, Sato’s fate takes an exciting turn when he gets reincarnated into space with a spaceship in the world of his favorite game.

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Focusing on different technological concepts to channel a storyline, these series would appeal to fans of the subgenre.

Before this, Sato was an average guy who liked playing games when he could. Now he is in a new universe trying to figure his way around. This Isekai sci-fi manga diverges from the usual setting of an Isekai genre, giving its readers a new experience.

5 Arifureta: From Commonplace To World's Strongest

Arifureta Banner 1
  • Japanese Title: Arifureta Shokugyou De Sekai Saikyou
  • Number of Chapters: Still Publishing

This manga tells the story of Hajime and his classmates as they find themselves in a fantasy world. Hajime, however, is left out of the party as his classmates all have magical powers, and he has basic alchemy skills — nothing special. Although these classmates bully Hajime, both in the real world and this fantasy world, Hajime still puts his life on the line for them by saving them from a powerful monster.

This manga focuses on Hajime’s switch after his classmates leave him to die after he falls into a dungeon. Hajime uses his knowledge to enhance his alchemy skills, and his character undergoes physical and mental changes.

4 Knight’s & Magic

Tsubasa and his Mecha
  • Japanese Title: Knights & Magic
  • Number Of Chapters: 122

Tsubasa, an enormous mecha nerd, has always aspired to construct his own mech. His dreams cannot come true in the real world, but he settles for being a software engineer and programmer. He excels in this field, but unfortunately, his life gets cut short when he dies in a car accident.

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The beauty of his death is that he reincarnates into a fantasy world where there is magic and mecha, his life-long passion. Even better, he has memories from his previous life and is ready to devote his new life as Ernesti to creating his mech. Science fiction is a fascinating genre, as this manga dwells on a world of technology, magic, and giant robots.

3 Outbreak Company: Moeru Shinryakusha

Outbreak Company Poster Cropped
Outbreak Company Poster Cropped
  • Japanese Title: Outbreak Company: Moeru Shinryakusha
  • Number Of Chapters: 25

Shinichi finds himself in an alternate world where he has to use his otaku knowledge to improve the cultural community of this fantasy world, the Holy Eldant Empire. In his previous life, he lived an isolated life and only decided to come out of his shell because of an otaku job, which ended up being his means of transportation to this fantasy world.

What makes this manga sci-fi is the introduction of modern knowledge into this fantasy world. Shinichi, who has no special powers or abilities other than his otaku knowledge, has to face different obstacles and pull through if he wants his task to be successful.

2 Gate: Thus The Japanese Self-Defense Force Fought in Their Land

Gate cast
  • Japanese Title: Gate: Jieitai Kare no Chi nite, Kaku Tatakaeri
  • Number of Chapters: Still Publishing

It is a normal day in Japan and people are going on with their regular activities when a strange gate opens up. Out of this gate come strange, mystical creatures and soldiers that attack and kill people on sight.

Seeing as these monsters threatened their normalcy, the Japanese Self-Defense Forces (JSDF) set out to eliminate their threat. But first, they need to know what they are dealing with, and they go through the portal to explore the world these creatures come from. Transportation to this mysterious and fantasy world makes this manga an isekai. With their modern weapons and military machinery, the JSDF soldiers, Itami Youji, and his team explore this mysterious world and interact with the magical and supernatural creatures that live within. The Gate manga incorporates futuristic concepts and weapons in a fantasy setting.

1 The Saga Of Tanya The Evil

Gender-Bending Isekai- The Saga of Tanya the Evil
  • Japanese Title: Youjo Senki
  • Number of Chapters: Still Publishing

This isekai manga revolves around a Japanese man who does not believe in God. This man dies and reincarnates as Tanya Degurechaff, a ruthless soldier who does not care about others and will step on whomever to get her way. This manga takes place in a world that resembles Europe during the World War I period. The difference is that advanced military technology and magic exist in this timeline to fight the war.

The Saga of Tanya The Evil is a unique manga as it leaves behind the conventional theme of the isekai genre. It blends fantasy and sci-fi elements to make it such an intriguing read for the readers.

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