Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita: Sono Ni


I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2

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Alternative Titles

Synonyms: Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita 2nd Season
Japanese: スライム倒して300年、知らないうちにレベルMAXになってました ~そのに~
English: I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2
More titles

Information

Type: TV
Episodes: 12
Status: Finished Airing
Aired: Apr 5, 2025 to Jun 21, 2025
Premiered: Spring 2025
Broadcast: Saturdays at 21:30 (JST)
Licensors: None found, add some
Studios: Teddy
Genres: ComedyComedy, FantasyFantasy
Themes: CGDCTCGDCT, IsekaiIsekai
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older

Statistics

Score: 6.681 (scored by 3100131,001 users)
1 indicates a weighted score.
Ranked: #63482
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #2040
Members: 123,124
Favorites: 586

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Streaming Platforms

6.68
Ranked #6348Popularity #2040Members 123,124
Add to My List
Episodes: /12

Synopsis

Three hundred years ago, the newly reincarnated Azusa Aizawa had resolved to live a slow life forever. At that point, she would have never even thought of reaching level 99 through only killing slimes, let alone becoming the strongest being in the continent. Nevertheless, it is due to her strength and kindness that many girls from different backgrounds—including the dragon Laika, the elf Halkara, the demon queen Pecora, and even the anthropomorphized slime girls Falfa and Shalsha—are all drawn to her. With her ever-growing circle of companions, Azusa's laid-back adventures are far from over—and with even more girls appearing on her doorstep, her already enjoyable life is slated to become even livelier!

[Written by MAL Rewrite]

Characters & Voice Actors

Azusa

Main
Yuuki, Aoi
Japanese

Laika

Main
Hondo, Kaede
Japanese

Flatorte

Main
Waki, Azumi
Japanese

Falfa

Main
Senbongi, Sayaka
Japanese

Halkara

Main
Harada, Sayaka
Japanese

Shalsha

Main
Tanaka, Minami
Japanese

Beelzebub

Supporting
Numakura, Manami
Japanese

Pecora

Supporting
Tamura, Yukari
Japanese

Rosalie

Supporting
Sugiyama, Riho
Japanese

Vania

Supporting
Ozawa, Ari
Japanese

Staff

Ogura, Yui
Theme Song Performance
Onishi, Aguri
Theme Song Performance


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Opening Theme

Preview
Spotify
Apple Music
Amazon Music
Youtube Music
"So☆Lucky" by Yui Ogura (小倉唯)
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Ending Theme

"Ini Mini Mani Mo (イニミニマニモ)" by Aguri Onishi (大西亜玖璃)

Episode Videos




Reviews

Sep 8, 2025
感動しました。第二シーズンが出るのをずっと待ってました、約300年ほど(嘘)。冒頭のカットシーンのあとからは神展開の連続で、気づけば最終回でした。アズサさん、マジでツッコミがキレッキレでおもろかった。見ててごちそうさまだなーって感じて、第三シーズンを気長に待ってます!次の300年後にまた会いましょう。

English translation by Gemini:
I was so moved! I've been waiting for the second season forever, for about 300 years (just kidding). After the opening cutscene, it was just one amazing development after another, and before I knew it, it was the final episode.

While the story's premise of an overpowered main character in a fantasy world might not be entirely unique, it's the execution that makes it shine. It leans into its predictable, low-stakes nature, which is exactly why I enjoyed it so much. It's the perfect comfort show for fans of the slice-of-life and "iyashikei" (healing) genres; you know things will always turn out okay, ...
Jan 18, 2026
Mixed Feelings
I really enjoyed Season 1 and was excited for Season 2 but...

Most of the existing Characters got very little focus or development, and the episode that was devoted to fleshing out Beelzebul was a disappointment. Almost the entire season one one off episodes introducing a new character, dealing with their problem, and then saying goodbye.

For me the enjoyable part of the first season was the building and sharing a family vibe. But here the family is mostly ignored and nothing is built upon.

I'd give a third season a try because season 1 was so fun and the visual quality stays up, but ...
Aug 31, 2025
I loved season one, so I was excited for season two and had hoped for more of the same, but I was warned it wasn't as good and I thought even if it was just average I'd be okay with it, but season two doesn't even manage to reach those levels.

After finishing this season I knew it was bad, I just couldn't quite put my finger on why it is so bad, so I had to go back to season one and what made that so good.
With Season One we have encountered all of our main cast by episode 5, and they folded into the ...

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