Best sci-fi Japanese web series on Prime Video in India
By the KyaDekhu team · Updated · Availability for India from JustWatch, ratings from IMDb
45 web series on Prime Video in India match this list, with an average IMDb rating of 7.5. Newest addition: Sasaki and Peeps, added to JioHotstar on 7 Oct. Ranked by vote-weighted IMDb rating and popularity; showing the top 30.
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1. Hunter x Hunter (2011)
Web series · Japanese · 3 seasons · U/A 16+ · Animation, Action & Adventure · IMDb 9.0 (2.1L votes)
Visually stunningTwistyEdge-of-seatMature
Gon, a young boy who lives on Whale Island, dreams of becoming a Hunter like his father, who left when Gon was still young.
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2. One-Punch Man (2015)
Web series · Japanese · 3 seasons · Animation, Comedy · IMDb 8.6 (2.3L votes)
Visually stunningFunnyFast-paced
Saitama is a hero who only became a hero for fun. After three years of “special” training, though, he’s become so strong that he’s practically invincible. In fact, he’s too strong—even his mightiest opponents are taken out with a single punch, and it turns out that being devastatingly powerful is actually kind of a bor
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3. Demon Slayer: Kimetsu no Yaiba (2019)
Web series · Japanese · 5 seasons · U/A 16+ · Animation, Action & Adventure · IMDb 8.5 (2.4L votes)
Visually stunningEdge-of-seatDark & grittyMature
After a demon attack leaves his family slain and his sister cursed, Tanjiro embarks upon a perilous journey to find a cure and avenge those he's lost.
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4. JUJUTSU KAISEN (2020)
Web series · Japanese · 1 season · U/A 16+ · Animation, Sci-Fi & Fantasy · IMDb 8.5 (2.2L votes)
Visually stunningTwistyEdge-of-seatDark & gritty
Yuji Itadori is a boy with tremendous physical strength, though he lives a completely ordinary high school life. One day, to save a classmate who has been attacked by curses, he eats the finger of Ryomen Sukuna, taking the curse into his own soul. From then on, he shares one body with Ryomen Sukuna. Guided by the most
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5. Mob Psycho 100 (2016)
Web series · Japanese · 3 seasons · Animation, Action & Adventure · IMDb 8.5 (72.7K votes)
Visually stunningFunnyHeartwarming
Shigeo Kageyama, a.k.a. "Mob," is a boy who has trouble expressing himself, but who happens to be a powerful esper. Mob is determined to live a normal life and keeps his ESP suppressed, but when his emotions surge to a level of 100%, something terrible happens to him! As he's surrounded by false espers, evil spirits, a
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6. Gintama (2006)
Web series · Japanese · 11 seasons · Animation, Action & Adventure · IMDb 8.7 (22.5K votes)
FunnyVisually stunningFast-paced
In a world where aliens have invaded Edo Period Japan, skyscrapers, trains and motor bikes have replaced the simple life of Earth inhabitants. One man however, still carries the soul of a samurai, Gintoki Sakata, otherwise known as Yorozuya Gin-san. As reckless as he is, Gintoki carries his own resolve and is ready to
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7. Chainsaw Man (2022)
Web series · Japanese · 1 season · A · Animation, Action & Adventure · IMDb 8.3 (1.1L votes)
MatureVisually stunningDark & grittyTwisty
Denji has a simple dream—to live a happy and peaceful life, spending time with a girl he likes. This is a far cry from reality, however, as Denji is forced by the yakuza into killing devils in order to pay off his crushing debts. Using his pet devil Pochita as a weapon, he is ready to do anything for a bit of cash.
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8. Bleach (2004)
Web series · Japanese · 2 seasons · U · Action & Adventure, Animation · IMDb 8.3 (1.0L votes)
Visually stunningEdge-of-seatFast-paced
For as long as he can remember, Ichigo Kurosaki has been able to see ghosts. But when he meets Rukia, a Soul Reaper who battles evil spirits known as Hollows, he finds his life is changed forever. Now, with a newfound wealth of spiritual energy, Ichigo discovers his true calling: to protect the living and the dead from
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9. Re:ZERO -Starting Life in Another World- (2016)
Web series · Japanese · 1 season · Animation, Mystery · IMDb 8.3 (99.6K votes)
TwistyDark & grittyVisually stunningMature
Natsuki Subaru, an ordinary high school student, is on his way home from the convenience store when he finds himself transported to another world. As he's lost and confused in a new world where he doesn't even know left from right, the only person to reach out to him was a beautiful girl with silver hair. Determine
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10. My Hero Academia (2016)
Web series · Japanese · 8 seasons · U · Action & Adventure, Animation · IMDb 8.2 (1.3L votes)
Visually stunningFast-pacedEdge-of-seat
Izuku has dreamt of being a hero all his life—a lofty goal for anyone, but especially challenging for a kid with no superpowers. That’s right, in a world where eighty percent of the population has some kind of super-powered "quirk," Izuku was unlucky enough to be born completely normal. But that’s not enough to stop hi
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11. Dan Da Dan (2024)
Web series · Japanese · 1 season · U/A 16+ · Animation, Action & Adventure · IMDb 8.3 (59.9K votes)
Fast-pacedVisually stunningFunny
In a bet to prove whether ghosts or aliens exist, two high schoolers face terrifying paranormal threats, gain superpowers and maybe even fall in love?!
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12. Dr. STONE (2019)
Web series · Japanese · 4 seasons · Animation, Action & Adventure · IMDb 8.1 (46.9K votes)
Visually stunningFast-pacedFunny
One fateful day, all of humanity was petrified by a blinding flash of light. After several millennia, high schooler Taiju awakens and finds himself lost in a world of statues. However, he’s not alone! His science-loving friend Senku’s been up and running for a few months and he's got a grand plan in mind—to kickstart c
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13. Psycho-Pass (2012)
Web series · Japanese · 3 seasons · Animation, Crime · IMDb 8.1 (26.5K votes)
TwistyVisually stunningMatureDark & gritty
In the year 2113, people are given brain scans to determine how likely they are to commit a crime. Those who fail are apprehended, or even killed.
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14. That Time I Got Reincarnated as a Slime (2018)
Web series · Japanese · 4 seasons · Action & Adventure, Animation · IMDb 8.0 (29.2K votes)
Visually stunningFunny
Corporate worker Mikami Satoru is stabbed by a random killer, and is reborn to an alternate world. But he turns out to be reborn a slime! Thrown into this new world with the name Rimuru, he begins his quest to create a world that’s welcoming to all races.
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15. Assassination Classroom (2015)
Web series · Japanese · 2 seasons · U/A 13+ · Animation, Comedy · IMDb 7.9 (30.4K votes)
Visually stunningFunnyEdge-of-seatFast-paced
The students of Class 3-E have a mission: kill their teacher before graduation. He has already destroyed the moon, and has promised to destroy the Earth if he can not be killed within a year. But how can this class of misfits kill a tentacled monster, capable of reaching Mach 20 speed, who may be the best teacher any o
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16. Pokémon (1997)
Web series · Japanese · 25 seasons · U · Animation, Action & Adventure · IMDb 7.6 (57.6K votes)
Light-heartedFamily-friendlyHeartwarmingVisually stunning
Join Ash accompanied by his partner Pikachu, as he travels through many regions, meets new friends and faces new challenges on his quest to become a Pokémon Master.
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17. Sword Art Online (2012)
Web series · Japanese · 4 seasons · A · Animation, Sci-Fi & Fantasy · IMDb 7.5 (65.4K votes)
Visually stunningEdge-of-seatFast-paced
In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players control their avatars with their bodies using a piece of technology called Nerve Gear. One day, players discover they cannot log out, as the game creator is holding them
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18. Overlord (2015)
Web series · Japanese · 4 seasons · Animation, Sci-Fi & Fantasy · IMDb 7.6 (20.4K votes)
Visually stunningCold & detached
In the year 2138, virtual reality gaming is booming. Yggdrasil, a popular online game is quietly shut down one day. However, one player named Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard." The world continues to change, with non-player characters
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19. Zom 100: Bucket List of the Dead (2023)
Web series · Japanese · 1 season · Animation, Action & Adventure · IMDb 7.3 (14.1K votes)
FunnyVisually stunningMatureFast-paced
An overworked 24-year-old finally decides to live a little and create a bucket list, when a zombie outbreak hits the country.
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20. Goblin Slayer (2018)
Web series · Japanese · 2 seasons · Animation, Action & Adventure · IMDb 7.3 (13.7K votes)
MatureDark & grittyVisually stunningEdge-of-seat
"I'm not saving the world. I just kill goblins." Rumor has it that, in a certain guild in the middle of nowhere, there is an extraordinary man who has climbed all the way to the Silver rank just by killing goblins. At the same guild, a priestess who's just become a new adventurer has formed her first party... and the
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21. Tatsuki Fujimoto 17-26 (2025)
Web series · Japanese · 1 season · Animation, Drama · IMDb 7.9 (3.3K votes)
TwistyMatureVisually stunning
Six studios and seven directors adapt the early works of Tatsuki Fujimoto, the mastermind behind "Chainsaw Man," into an anime anthology. Each episode is an anime adaptation of a short story he drew from ages seventeen to twenty-six, including the first manga he ever submitted for competition. Watch as vivid tales of y
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22. Campfire Cooking in Another World with My Absurd Skill (2023)
Web series · Japanese · 1 season · Animation, Action & Adventure · IMDb 7.6 (4.8K votes)
Slow-burnLight-heartedFunnyLow-stakes
Tsuyoshi Mukohda, an ordinary salaryman, is suddenly transported to another world one day. The unique skill he gains upon arrival in this world is the seemingly useless "Online Grocery." Mukohda is discouraged at first, but the modern foods he's able to bring to his new world using this skill prove to have some unbelie
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23. Welcome to Demon School! Iruma-kun (2019)
Web series · Japanese · 4 seasons · Animation, Comedy · IMDb 7.6 (4.1K votes)
FunnyVisually stunningHeartwarmingLight-hearted
Fourteen-year-old Iruma Suzuki has just been abandoned and sold to a demon by his irresponsible parents! Surprisingly, the next thing he knows he's living with the demon who has adopted him as his new grandson and has been transferred into a school in the Netherworld where his new demon grandfather works as the princip
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24. Marry My Husband: Japan (2025)
Web series · Japanese · 1 season · Drama, Comedy · IMDb 7.7 (1.7K votes)
Twisty
Misa has been a supporting character all her life, blindly trusting her best friend and husband. When she discovers their affair, the betrayal results in her death. Waking up ten years in the past, Misa vows to become the main character of her own story. She plans to ruin her betrayers by making them marry each other,
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25. THE GHOST IN THE SHELL (2026)
Web series · Japanese · 1 season · Animation, Action & Adventure · IMDb 7.3 (2.8K votes)
TwistyVisually stunningCold & detachedEdge-of-seat
2029, a near-future Japan. The full cyborg Motoko Kusanagi envisions a task force that preemptively strikes emerging threats. She and her team are scouted by Daisuke Aramaki as Public Security Section 9, AKA the "Shell Squad." An international conspiracy hints at a hacker known as The "Puppet Master." What fate awaits
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26. Hell Girl (2005)
Web series · Japanese · 4 seasons · Animation, Drama · IMDb 7.4 (2.3K votes)
Dark & grittyCold & detachedTwistyMature
A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.
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27. Blade of the Immortal (2019)
Web series · Japanese · 1 season · Animation, Drama · IMDb 7.5 (1.8K votes)
Visually stunningMatureEdge-of-seatDark & gritty
Manji is a crass, violent samurai with a special ability: he cannot die. Cursed with immortality by the nun Yobikuni as punishment for his ruthless deeds, he has grown weary of his ageless life. The only way to lift the curse is to slay 1,000 evil men. So Manji wanders Japan, shedding the blood of the wicked on his que
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28. Ragna Crimson (2023)
Web series · Japanese · 1 season · Animation, Action & Adventure · IMDb 7.2 (3.0K votes)
Visually stunningEdge-of-seatFast-pacedCold & detached
Ragna teams up with the enigmatic Crimson to stand against the dragons menacing the world. Although Crimson's motivations are mysterious, his goal and Ragna's perfectly align, and together they'll vanquish the dragons once and for all.
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29. Sword of the Demon Hunter (2025)
Web series · Japanese · 1 season · Animation, Drama · IMDb 7.2 (1.5K votes)
TwistyVisually stunningSerious
Jinta journeys through a century-spanning epic, all while questioning why he wields a sword.
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30. Ghost in the Shell: Arise - Alternative Architecture (2015)
Web series · Japanese · 1 season · Animation, Crime · IMDb 7.3 (1.1K votes)
Visually stunningTwistyCold & detachedDark & gritty
The story follows Motoko Kusanagi, a highly skilled member of the military, whom upon meeting Daisuke Aramaki, a current chief of the Public Security Section 9, in less than desirable conditions struggles to clear her name whilst forming her own independent team with the highest priority under the sponsorship and guida
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