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‘The Slime Diaries’: Monsters Eat, Forge, and Joke Their Way Through a Kingdom

A review of The Slime Diaries, a comedy anime about monsters building a kingdom, scoring 8/10.

By mitch·3 min read
A happy slime monster king sits among friendly monsters in a cozy fantasy kingdom.

“The Slime Diaries” is a light anime about monsters who just want to live normal lives. It follows Rimuru and his friends through their days in a fantasy kingdom, and it mostly succeeds at being exactly what it advertises: a comedy about eating, crafting, and general chaos. The show runs twelve episodes on Tokyo MX, first airing April 6th, 2021 and finishing June 22nd of the same year. It is animation, comedy, and sci-fi fantasy, with a focus on the mundane rather than the grand.

Trailer, via Crunchyroll.

Rimuru’s Kingdom

Rimuru is the central character, voiced by Miho Okasaki. He leads a group of monsters who have built a small kingdom together. The premise is simple: there are no great battles to fight. Instead, the series focuses on the day-to-day work of running a community. That includes feeding everyone, making the tools and items they need, and generally enjoying life.

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The show leans heavily on its cast of supporting voices. Makoto Furukawa plays Benimaru, while Sayaka Senbongi voices Shuna and Mao Ichimichi voices Shion. Takuya Eguchi plays Sōei, Hochu Otsuka plays Hakurou, and Junichi Yanagita plays Kurobee. Kanehira Yamamoto voices Rigurdo, Asuna Tomari voices Gobuta, Chikahiro Kobayashi voices Ranga, Jun Fukushima voices Gabiru, and Rumi Okubo voices Soka.

Work and Play

The series balances its work and play in equal measure. On one hand, there is the serious business of maintaining a kingdom. Food needs to be grown, items need to be forged, and the community needs to be looked after. On the other, there is plenty of room for jokes, pranks, and general hijinks.

The tone stays consistent throughout. There is no sudden shift toward drama or tragedy. The show simply lets its characters be themselves, and that consistency is part of what makes it work.

The Light Touch

This is a show that knows exactly what it wants to be. It is not trying to reinvent the wheel. It is not trying to tell a deep story about power or destiny. It is telling a story about a group of monsters who have found a way to live comfortably and happily, and it trusts that that is enough.

The result is a show that is easy to watch and hard to put down. It is not demanding of its audience. It does not require a lot of attention or forethought. It simply asks you to sit back and enjoy the ride.

A Review of the Numbers

The show is short, which works in its favor. Twelve episodes mean it never overstays its welcome. Each episode is dense with small details, jokes, and character beats, and the show manages to pack a lot into its brief runtime.

The voice acting is solid across the board. The cast is large, and each character gets their moment to shine. The show does not waste its time on filler, and it moves quickly from one scene to the next.

Final Word

“The Slime Diaries” is a small show with a big heart. It is not going to change your life, but it will make you smile. It is a show about friendship, comfort, and the simple joy of living. It does not ask for much, and it delivers exactly what it promises.

Key Facts

  • Title: The Slime Diaries
  • Network: Tokyo MX
  • Season: 1, 12 episodes
  • First aired: April 6, 2021
  • Last aired: June 22, 2021
  • Genres: Animation, Comedy, Sci-Fi & Fantasy
  • Score: 8 of 10

The show earns its score by sticking to its strengths. It is funny, warm, and never pretentious. It knows when to let the jokes land and when to let the characters breathe. It is a show about monsters, but it is also a show about people. And that is why it works. The show trusts its audience to appreciate the small moments as much as the big ones, and it rewards that trust with a consistently pleasant experience from start to finish.

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