Assassination Classroom Codexery

Koro-sensei

A superbeing teacher who must be killed by his students before he destroys the Earth.

Koro-sensei is the homeroom teacher of Class 3-E at Kunugigaoka Junior High School in the science fiction comedy manga series *Assassination Classroom* by Yusei Matsui. He is an octopus-like superbeing whom the students have been tasked with killing. The game *Assassination Classroom: Grand Siege on Koro-sensei*, a 2015 action video game developed and published by Bandai Namco Games for the Nintendo 3DS, follows this premise. In the game, players control a middle school student who must defeat Koro-sensei within a time limit using firearms and traps, with certain missions allowing the player to control Koro-sensei himself as he avoids being defeated by the students.

Role
Homeroom Teacher / Target
Affiliation
Kunugigaoka Junior High School (Class 3-E)
Speed
Mach 20

Verified Timeline

201420152016

Lore & Background

Koro-sensei is the homeroom teacher of Class 3-E at Kunugigaoka Junior High School. He is an octopus-like superbeing who the students have been tasked with killing. In the game *Assassination Classroom: Grand Siege on Koro-sensei*, players control a middle school student who must defeat Koro-sensei within a given time limit using different types of firearms and by setting traps. Placing traps in sequence produces combos that deal greater damage. If a trap is triggered at close range, the player enters 'fever time,' allowing Koro-sensei to be rapidly shot. Certain missions see the player as Koro-sensei, who has to avoid being defeated by the students through the use of different attacks and moves.

In Their Own Story

The game is based on the *Assassination Classroom* manga series created by Yusei Matsui. The story follows a class of middle school students and their homeroom teacher Koro-sensei, an octopus-like superbeing who the students have been tasked with killing. The game was first announced in October 2014 via an issue of *Weekly Shōnen Jump*, which *Assassination Classroom* was then being serialized in. Further gameplay and release details were unveiled by Bandai Namco through promotional videos and screenshots in the following months. The game was released on March 12, 2015, for the Nintendo 3DS, exclusively in Japan.

Reader's Guide

In *Assassination Classroom: Grand Siege on Koro-sensei*, the gameplay is divided into several different missions with different requirements for the missions to be cleared, though they primarily revolve around defeating Koro-sensei within a given time limit. Defeating Koro-sensei is done via the use of different types of firearms and by setting traps. Placing traps in sequence will produce combos, dealing greater damage. If a trap is triggered at close range, the player will enter 'fever time,' allowing Koro-sensei to be rapidly shot. Certain missions see the player as Koro-sensei, who has to avoid being defeated by the students through the use of different attacks and moves. The game received a mixed critical response, with criticism directed at its gameplay and praise for its style and humor. Famitsu rated the game 25/40, with critics noting it was easy to play but could feel repetitive and imprecise. The game sold over 25,000 copies in its first three days of release, and by June 2015 had sold over 83,000 copies.

Did You Know?

Origins and Premise

The complete story spans one hundred eighty chapters, compiled into twenty-one tankōbon volumes. The game *Assassination Classroom: Grand Siege on Koro-sensei* was developed and published by Bandai Namco Games. Bandai Namco first became familiar with *Assassination Classroom* through the development of the fighting game *J-Stars Victory VS*, which features Koro-sensei as a playable character. The game was first announced in October 2014 via an issue of *Weekly Shōnen Jump*, which *Assassination Classroom* was then being serialized in. The game was released on March 12, 2015, for the Nintendo 3DS, exclusively in Japan.

The Dual Curriculum

In the game, players control a middle school student of Kunugigaoka Junior High School. The game is divided into several different missions, featuring different requirements for the missions to be cleared, although they primarily revolve around defeating the student's homeroom teacher, Koro-sensei, within a given time limit. Defeating Koro-sensei is done via the use of different types of firearms and by setting traps, and placing traps in sequence will produce combos, dealing greater damage. If a trap is triggered at close range, the player will enter 'fever time,' allowing Koro-sensei to be rapidly shot. Certain missions see the player as Koro-sensei, who has to avoid being defeated by the students through the use of different attacks and moves.

Publication History

The complete story spans one hundred eighty chapters, compiled into twenty-one tankōbon volumes. The game *Assassination Classroom: Grand Siege on Koro-sensei* was developed and published by Bandai Namco Games. It was first announced in October 2014 via an issue of *Weekly Shōnen Jump*, which *Assassination Classroom* was then being serialized in. The game was released on March 12, 2015, for the Nintendo 3DS, exclusively in Japan. A sequel, *Assassination Classroom: Assassin Training Plan*, was announced on December 14, 2015, and released on March 24, 2016, for the Nintendo 3DS, exclusively in Japan.

Adaptations and Global Reach

The game *Assassination Classroom: Grand Siege on Koro-sensei* is an adaptation of the *Assassination Classroom* manga series created by Yusei Matsui. It was developed and published by Bandai Namco Games for the Nintendo 3DS. The game was released on March 12, 2015, exclusively in Japan. It sold over 25,000 copies in its first three days of release, and by June 2015 had sold over 83,000 copies. The game received a mixed critical response, with criticism directed at its gameplay and praise for its style and humor. A sequel, *Assassination Classroom: Assassin Training Plan*, was released on March 24, 2016, for the Nintendo 3DS, exclusively in Japan.

Frequently Asked Questions

Who is Koro-sensei?

Koro-sensei is a yellow, octopus-like entity who serves as the homeroom teacher for Class 3-E at Kunugigaoka Junior High. Before his transformation, he was a legendary human assassin known simply as The Reaper.

What are Koro-sensei's abilities?

He possesses superhuman speed reaching Mach 20 and can regenerate any physical damage almost instantly. His adaptive learning allows him to master new skills after seeing them performed just once.

Why must Koro-sensei be killed?

He must be eliminated by his students before graduation because he threatened to destroy the planet if anyone else fails the mission. This condition turns their classroom into a training ground for both education and assassination techniques.

How does Koro-sensei's story end?

His arc concludes with him sacrificing himself so that Nagisa can successfully complete the final assassination attempt. He dies content in the knowledge that his class has matured into capable young adults.

What is Koro-sensei's true motivation?

Although he is a target, his primary purpose is to nurture his students' potential and help them find their own paths in life. He prioritizes their growth and happiness over his own existence throughout the entire series.

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