Summary

  • Isekai anime offers innovative stories beyond typical hero narratives.
  • I've Been Killing Slimes for 300 Years is a lighthearted series with a strong female lead.
  • Various isekai series like Saving 80,000 Gold and I May Be a Guild Receptionist showcase unique character journeys.

Isekai anime continues to be one of the most popular genres in anime that tackles escapism and starting over in another world. Dozens of isekai anime are released, and many leave lasting impressions on fans of the genre with their interesting characters, unique concepts, and incredible action. Isekai anime have a wide variety of stories to tell, branching out from the typical hero who saves the day and telling innovative stories that feature complicated characters.

featured image for isekai manga an anime with protagnoists who have been reincarnated as demons.
Best Isekai Anime & Manga With Protagonists Who Are Reincarnated as Demons, Ranked

Isekai and reincarnation are a tale as old as time, but sometimes characters get a second chance at life as demons.

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However, there is always an anime for every type of fan, and for fans who enjoy an easy-going story with simple adventures, there are many to choose from. One such series is I've Been Killing Slimes for 300 Years and Maxed Out My Level. This show tells the simple story of an immortal girl who becomes the strongest in her world and protects the things important to her. For fans seeking a fun-loving series, this is a great option, and there are several others similar to it. Here are some of the best anime like I've Been Killing Slimes for 300 Years and Maxed Out My Level.

7 Ascendance Of A Bookworm

A Low-Born Child Becomes The Most Powerful Mage In The Land

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Ascendance of a Bookworm
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Release Date
2019 - 2022
Showrunner
Mitsuru Hongô
Directors
Mitsuru Hongô
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Seasons
3
Studio
Ajia-do Animation Works
Japanese Title
Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen
Based On
Light Novel
Number of Episodes
36
Streaming Service(s)
Crunchyroll
MyAnimeList Score
7.98 (Season 1)
Creator(s)
Miya Kazuki

Ascendance of a Bookworm is a story that follows a young girl who tragically passed in her previous life but is reborn into a fantasy world. In Urano's past life, she was an avid reader, and upon her death, she wished for the opportunity to read more books. After awakening in a new world as a child named Myne, she found herself in a strange era ruled by class where books are scarce.

8 Isekai Anime Protagonists Who Are Feared in Their New Worlds
7 Isekai Anime Protagonists Who Are Feared In Their New Worlds

These protagonists display how immense power or misunderstood actions can lead to fear and apprehension in unfamiliar worlds.

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Just when she thought it couldn't get any worse, Myne is discovered as a magical prodigy that raises her from her current station and turns her into nobility. Myne's journey only grows more chaotic with time as a target is placed on her back by those who seek to maintain the status quo.

6 Saving 80,000 Gold In Another World For My Retirement

Young Girl Becomes The Strongest In Another World

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Saving 80,000 Gold in Another World for My Retirement
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Release Date
2023 - 2023-00-00
Network
tv asahi, ABC TV, Nagoya TV, HTB, Kyushu Asahi Broadcasting, NCC, Niigata Television Network 21, khb, KFB, HOME, KSB, Kagoshima Broadcasting, Oita Asahi Broadcasting, Asahi Broadcasting Aomori, Iwate Asahi TV, Akita Asahi Broadcasting, Yamagata Television System, Shizuoka Asahi TV, Asahi Broadcasting Nagano, Hokuriku Asahi Broadcasting, Ehime Asahi TV, Yamaguchi Asahi Broadcasting, Kumamoto Asahi Broadcasting, Ryu-Q Asahi Broadcasting
Directors
Michita Shiraishi, Ryoji Tanaka, Tsutomu Yabuki, Yuuta Takamura, Masayuki Iimura, Takashi Kobayashi
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1

Mitsuha Yamano's life took a dire turn in the blink of an eye. After losing out on her education, she also lost her entire family in an accident. To make matters worse, she loses control of her car and ends up barreling off a cliff. In her first stroke of luck, instead of losing her life, she finds another one when she's teleported to a magical fantasy land.

Gifted a number of gifts for her strong will to survive, a cosmic being grants her immortality and the ability to teleport back and forth between worlds. Mitsuha goes on adventures, becoming stronger with every battle and preparing more and more each day.

5 I May Be A Guild Receptionist, But I'll Solo Any Boss To Clock Out On Time

Unconventional Adventures That Showcase Overpowered Main Characters

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I May Be a Guild Receptionist, but I'll Solo Any Boss to Clock Out on Time
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Release Date
2025 - 2025-00-00
Network
Tokyo MX, Gunma TV, BS11, Tochigi TV
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Seasons
1
Studio
CloverWorks
Japanese Title
Guild no Uketsukejou desu ga, Zangyou wa Iya nanode Boss wo Solo Toubatsu Shiyou to Omoimasu
Based On
Light Novel
Streaming Service(s)
Crunchyroll

There's nothing Alina Clover wants more than to live a peaceful life and get off work at the appropriate time. Unfortunately, as a guild receptionist, she is often forced to work overtime due to parties of adventurers getting in over their heads.

To avoid being buried by paperwork, Alina lives a secret life as the Executioner, who rescues distressed adventurers and solos dungeon bosses. Alina's secret goes undetected for a little while until a famous adventurer discovers her activities, and her life is turned upside down.

4 So I'm A Spider, So What?

The Main Character becomes The Most Powerful By Killing Monsters And Evolving

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So I'm A Spider, So What
So I'm A Spider, So What?
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Release Date
January 8, 2021
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Seasons
1
Studio
Millepensee
Japanese Title
Kumo desu ga, Nani ka?
Div
Based On
Light Novel & Novel
Number of Episodes
24
Streaming Service(s)
Crunchyroll
MyAnimeList Score
7.45

What seems to be a typical day of school quickly turns into a life-changing experience when an entire class is transported to another world after a tragic accident claims their lives. Each student is reborn into the new world with special gifts, and some even have new standings, becoming princes and princesses.

Unfortunately for Kumoku, she is reborn as a common spider and must learn to make it on her own. Learning the rules of the new world quickly, she begins to level up by killing and trapping monsters with the hope of one day returning to normal.

3 Konosuba

An Easy-Going Isekai Anime With A Lot Of Charm

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KonoSuba: God's Blessing on This Wonderful World!
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Release Date
2016 - 2025-00-00
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Seasons
3
Studio
Studio Deen, Drive
Japanese Title
Kono Subarashii Sekai ni Shukufuku wo!
Div
Based On
Novel & Light Novel
Number of Episodes
31
Streaming Service(s)
Crunchyroll
MyAnimeList Score
8.36 (Season 3)
Creator(s)
Natsume Akatsuki

Kazuma Satou was a recluse high school student who had given up on normal life and resorted to playing video games. His underwhelming life came to an abrupt end when, on the way home from buying a new game, he encountered a disgraceful end. However, shockingly, Kazuma appeared before a beautiful goddess named Aqua, who grants him a second chance at life by being transported to a magical fantasy world.

10 Isekai Anime That Are Immediately Fun
10 Isekai Anime That Are Immediately Fun

These anime are known for their engaging storylines, humor, and unique takes, making them excellent choices for immediate entertainment.

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Kazuma chooses to adventure with Aqua, and once their feet touch the ground, a slew of hijinks ensue. Kazuma is a selfish and lazy individual who thought adventuring would be an easy endeavor. Unfortunately, he and his new companion end up flat broke and must constantly come up with new ways to earn a living.

2 That Time I Got Reincarnated As A Slime

A Slime Becomes The Leader Of Its Own Kingdom

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That Time I Got Reincarnated as a Slime
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Release Date
October 5, 2018
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Seasons
3
Studio
8bit
Japanese Title
Tensei shitara Slime Datta Ken
Based On
Light Novel & Manga
Number of Episodes
72
Streaming Service(s)
Crunchyroll
MyAnimeList Score
8.14 (Season 1)
Creator(s)
Yasuhito Kikuchi

In a past life, Rimuru was a salaryman who lost his life after protecting his friends from a mugging. Given the option to start a new life, he found himself reborn as a standard slime. Surprisingly, Rimuru encountered the legendary dragon of destruction, Veldora, and they became close friends.

Most Violent Isekai Anime Protagonists, Ranked
7 Most Violent Isekai Anime Protagonists, Ranked

These protagonists employ extreme measures and violence to achieve their goals, setting them apart within the isekai system.

Veldora bestows great power upon Rimuru and his name, which changes Rimuru's path forever. Rimuru's journey from a common slime to a demon lord is a fantastical tale with great action and a diverse cast of characters.

1 Didn't I Say To Make My Abilities Average In The Next Life?!

An Exceptional Young Girl Becomes Even More Exceptional In Her Next Life

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Didn't I Say To Make My Abilities Average In The Next Life?!
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Release Date
2019 - 2019
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Seasons
1
Studio
Project No.9
Japanese Title
Watashi, Nouryoku wa Heikinchi de tte Itta yo ne!
Div
Based On
Light Novel
Number of Episodes
12
Streaming Service(s)
Crunchyroll
MyAnimeList Score
6.74

Misato was known for her exceptional capabilities in her first life. Unfortunately, this led her to feel incredibly detached and lonely from normal people. Without any friends or trusted allies, she longed for a chance to live a normal life as an average person. Upon her death, her last wish before reincarnation was to be unremarkable in he next life. To her surprise, she was born as the daughter of a prominent family with exceptional magical abilities.

Deciding to make her dream come true on her own, Misato, now Mile, sets out on her own and joins a Hunter guild in another kingdom to start over and keep her power a secret. Things become tense when her new batch of friends leads to one dangerous situation after another.

Best Anime Series Like Lazarus
7 Best Anime To Watch If You Like Lazarus

Lazarus is one of the most promising anime of Spring 2025, and for fans who can't get enough, here are some titles that are similar to it.