Assassination Classroom

Last updated: 1 November 2026

About Assassination Classroom

A tentacled super-creature blows up most of the moon, then makes a deal: he will teach the worst class in school for a year, and if his students cannot assassinate him by graduation, he will destroy the Earth. So begins Class 3-E's strange school year, where the homework is marksmanship, the field trips are ambushes, and the teacher, nicknamed Koro-sensei, is the kindest, fastest and most encouraging educator any of them has ever had. Lerche animated Yusei Matsui's complete manga across two seasons (2015–2016, 47 episodes plus the Episode 0 OVA), and unusually, the anime adapts the manga's ending in full. The compilation film 365 Days (2016), the Koro Sensei Quest spin-off and a brand-new film, Everybody's Time (March 2026), animating chapters the TV series skipped for the 10th anniversary, round out the franchise. Under the comedy sits a story about written-off kids learning their own worth.

Assassination Classroom is a TV anime from 2015, first released in Winter 2015. It belongs to the Comedy and Action and Drama genres and is listed as a completed series. The summary above is written by the AnimeYug team in our own words.

Official Trailer

▶Assassination Classroom - Official Trailer · Crunchyroll Store Australia

Story & Plot

Kunugigaoka Junior High dumps its failures into Class 3-E, the 'End Class' in a run-down building on the mountain. Their new teacher is a yellow, smiling creature who moves at Mach 20, regenerated from every wound, and oh. He destroyed the moon and plans to do the same to Earth next March. The government arms the students with anti-teacher weapons and offers a ten-billion-yen bounty. Quiet Nagisa Shiota keeps notes on Koro-sensei's weaknesses while red-haired Karma Akabane attacks with a delinquent's creativity, and professional soldiers and assassins (teacher Tadaomi Karasuma, undercover assassin Irina Jelavic, and worse) keep testing the class from outside.

Yet assassination class keeps turning into something else: Koro-sensei fixes their grades, their confidence and their broken dreams one student at a time. As March approaches, the class uncovers the truth about what he is, who turned him into this, and the exploding-mouse experiment that started it all, and must decide whether the mission they trained for is still the right one. The final lessons land the series' famous emotional ending.

Story Arcs & Episode Guide

The Assassination Classroom anime is split into story sagas. Here is every saga in order, with its episodes and years.

Why Watch Assassination Classroom

• An absurd premise played with total sincerity. The monster is the best teacher in anime
• Every one of Class 3-E's students gets a real moment; nobody stays a background character
• Comedy and assassination-of-the-week episodes build quietly toward a famous emotional finale
• Karma vs Nagisa: the class rivalry becomes one of the series' best dramatic arcs
• A complete adaptation: the anime ends exactly where the manga does

Who Is It For?

Assassination Classroom suits teens and up, and works well as a family watch with older children: the weapons are rubber, the action is playful, and the real subjects are confidence, unfair school systems and grief. Expect to laugh through lessons and cry at graduation.

Koro-sensei

Assassination Classroom

Nagisa Shiota

Assassination Classroom

Karma Akabane

Assassination Classroom

Kaede Kayano

Assassination Classroom

Tadaomi Karasuma

Assassination Classroom

Irina Jelavic

Assassination Classroom

Yuma Isogai

Assassination Classroom

Tomohito Sugino

Assassination Classroom

Yukiko Kanzaki

Assassination Classroom

Manami Okuda

Assassination Classroom

Rio Nakamura

Assassination Classroom

Hiroto Maehara

Assassination Classroom

Ryunosuke Chiba

Assassination Classroom

Rinka Hayami

Assassination Classroom

Ryoma Terasaka

Assassination Classroom

Voice Actors

The Japanese voices behind the main characters of Assassination Classroom.

• Koro-senseiMach-20 tentacled teacher who will destroy Earth at graduation
  Japanese voiceJun Fukuyama
• Nagisa ShiotaQuiet note-taker with a natural talent for assassination
  Japanese voiceMai Fuchigami
• Karma AkabaneBrilliant, mischievous delinquent and the class's first real threat
  Japanese voiceNobuhiko Okamoto
• Kaede KayanoCheerful, pudding-loving classmate with a hidden past
  Japanese voiceAya Suzaki
• Tadaomi KarasumaElite government agent teaching PE: and assassination basics
  Japanese voiceTomokazu Sugita
• Irina JelavicProfessional assassin working undercover as the English teacher
  Japanese voiceShizuka Itō
• Yuma IsogaiClass representative and hardworking ikemen on a budget
  Japanese voiceRyōta Ōsaka
• Tomohito SuginoBaseball lover whose pitching Koro-sensei helps rebuild
  Japanese voiceYoshitaka Yamaya
• Yukiko KanzakiElegant class idol hiding a gaming obsession
  Japanese voiceSatomi Satō
• Manami OkudaShy science genius in charge of poisons
  Japanese voiceSayuri Yahagi
• Rio NakamuraSharp-tongued, playful top scorer in English
  Japanese voiceManami Numakura
• Hiroto MaeharaFlirtatious swordsman of the front line
  Japanese voiceShintarō Asanuma
• Ryunosuke ChibaDead-eyed sniper whose hair hides his aim
  Japanese voiceJunji Majima
• Rinka HayamiCool, precise markswoman of few words
  Japanese voiceShiho Kawaragi
• Ryoma TerasakaLoud class bully who slowly finds his place
  Japanese voiceSubaru Kimura

Staff & Production

Original Creator

Yusei Matsui (manga)

Animation Studio

Lerche

Series Director

Seiji Kishi

Series Composition

Makoto Uezu

Character Design

Kazuaki Morita

Music

Naoki Satō

Manga & Source Material

Assassination Classroom is adapted from Yusei Matsui's manga in Weekly Shōnen Jump, which ran alongside the anime and ended the same spring.

• Written and drawn by Yusei Matsui; serialised in Weekly Shōnen Jump from July 2012 to March 2016.
• The manga is complete: 180 chapters collected in 21 volumes.
• Matsui previously created Neuro: Supernatural Detective, also adapted into an anime.
• The spin-off manga Koro Sensei Quest (by Kizuku Watanabe and Jō Aoto) ran from 2015 to 2019 and reimagines the class in an RPG world.
• The 2026 film Everybody's Time adapts manga episodes the TV anime skipped, made for the anime's 10th anniversary.

Music

All four openings are performed by '3-E Utatan', the voice actors of Nagisa, Karma, Kayano, Isogai and Maehara singing in character as their own class.

Opening Themes

• “Seishun Satsubatsuron”by 3-E UtatanSeason 1, first opening: sung by the five lead student voice actors.
• “Jiriki Hongan Revolution”by 3-E UtatanSeason 1, second opening.
• “Question”by 3-E UtatanSeason 2, first opening.
• “Bye Bye Yesterday”by 3-E UtatanSeason 2, final opening: a graduation song in disguise.

Ending Themes

• “Hello, Shooting-Star”by MoumoonSeason 1 ending.
• “Kaketa Tsuki”by Shion MiyawakiSeason 2, first ending.
• “Mata Kimi ni Aeru Hi”by Shion MiyawakiSeason 2, second ending.

Series Timeline

1. 2012

   Yusei Matsui's manga begins in Weekly Shōnen Jump.

2. 2013

   A special OVA by Brain's Base screens at Jump Festa, before the TV series exists.

3. 2015

   The Lerche TV series premieres; a live-action film opens in Japan the same spring.

4. 2016

   Season 2 adapts the manga's ending; the manga concludes, and the compilation film 365 Days and the Koro Sensei Quest anime follow.

5. 2025

   The anime's 10th anniversary year brings a rebroadcast and new project announcements.

6. 2026

   Assassination Classroom the Movie: Everybody's Time opens in Japan on March 20, animating manga episodes the TV series skipped.

Quick Answers