Ansatsu Kyoushitsu

Tucked in the mountains near the elite Kunugigaoka Middle School lies a small derelict building that houses the delinquents and dropouts of Class 3-E. Looked down upon by their peers, the students in this class appear to have little hope in advancing their academic careers. That is, until the national government tasks them with eliminating the greatest threat to their planet: their new teacher.

Having already destroyed the moon, the octopus-like professor—dubbed "Koro-sensei"—has now threatened to destroy the Earth by March of the following year. In light of their mission, the students have found that killing him is easier said than done. Not only can Koro-sensei move at speeds of up to Mach 20, but he can also resist almost every earthly weapon. Ironically, he also proves to be one of the best teachers Class 3-E has ever had. Training the class to excel in both their studies as students and skills as assassins, Koro-sensei is confident that his students' ingenuity and indomitable will could return them to the main campus.

Through trial and error, Nagisa Shiota, as well as the other students of Class 3-E, must figure out Koro-sensei's weaknesses—and fast, for the very fate of the world depends upon it.

[Written by MAL Rewrite]

Koro-sensei Main

Fukuyama, Jun Japanese

Akabane, Karma Main

Okamoto, Nobuhiko Japanese

Shiota, Nagisa Main

Fuchigami, Mai Japanese

Kayano, Kaede Supporting

Suzaki, Aya Japanese

Karasuma, Tadaomi Supporting

Sugita, Tomokazu Japanese

Jelavić, Irina Supporting

Itou, Shizuka Japanese

Asano, Gakushuu Supporting

Miyano, Mamoru Japanese

Nakamura, Rio Supporting

Numakura, Manami Japanese

Horibe, Itona Supporting

Ogata, Megumi Japanese

Hayasaka, Ritsu Supporting

Fujita, Saki Japanese

Cook, Justin Producer

Higa, Yuuji Producer

Ozaki, Noriko Producer

Kishi, Seiji Director, Storyboard

Reviews

Feb 26, 2025

anime_gobbler

Recommended

An amazing show having all the classic tropes yet is so unique all at the same time. The show transcends what it set out to do and really gets the viewers more involved in the world building. It tries to make us fall in love with every single character, but with such a large cast, it falls somewhat short in the first season. It starts rather slowly but picks up steam very quickly.

Exploring all characters was definitely a risky endeavor, but it still manages to get you invested in their story by the end of it. The final act is commendable as it portrays growth ... and reflects consciousness and growth.

Reviewer’s Rating: 8

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Jul 23, 2023

Azeem_Shariff

Mixed Feelings

The music is fine but gets repetitive and overused, especially in the latter half.
The art style is very formulaic in the sense that no specific scene will stand out or stick with you visually.
The character growth is the only plus because it's satisfying to watch some of them grow even if it's very predictable.

In all honesty, it's ok. The only thing really holding this anime back is the pacing and the fluff. There are a couple of episodes where it just feels unnecessary to the overall plot and a couple of times where a specific scene or scenario is slowed down to show ... growth that will never be called back to. But then again, it fits the genre exactly.

TLDR: It's very formulaic and that's ok.

Reviewer’s Rating: 5

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Mar 13, 2025

joemaamah

Not Recommended

This started out good, but ended up totally ass². Certainly an ass-ass-ination. Huge differences in quality for the first and second cours.

I wasn't ever a big fan of the artwork, below average but not horrible. The character art remained steady but there was a great drop off in background and especially animation work in the 2nd half. The last 4 eps were tough to stomach. It got so bad with the scrolling across still shots.

The character designs are kind of a mixed bag. Koro Sensei was pretty cool, and showed a little bit of depth. But the rest of the cast is ... very 2 dimensional. If you are looking for character development, you won't find much here. It's a shame, as it seems some of the characters could have been far more interesting. Especially drab was Nagisa. The little androgynous one was about as interesting as a wet dishrag.

The narative was also a mixed bag. The first cour was interesting, and moved along at a good pace. Not so the 2nd cour. It endlessly recycled material from the first cour. It got very sloggy after a couple episodes. They seemed to run out of ideas. So let's trot out the middle school tropes! They stretched out the conclusion over 4 episodes, when it would have been better done in two. The ending was so contrived and cliche, I almost bailed out a couple times over the last two eps. The writing ended up klling the series.

At first I liked this, and would have graded the first cour in the B+/A- range. But the writers and direction were deadly. It was like a knife ro the heart. Final grade for this would be no better than a D+ at 68/100. These producers need some schooling on basic consistency.

Reviewer’s Rating: 6

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