Koro-Sensei Q!

The Manga of Koro-Sensei Q! is written and illustrated by Jou Aoto and Kizuku Watanabe and was published in Japan by Shueisha in the magazine Saikyō Jump currently running since October 2, 2015.

Koro-Sensei Q! (殺せんせーQ!) is a spin-off manga of the Assassination Classroom series featuring the original cast of the original manga. Unlike the original manga, the spin-off is set in an RPG world where Class 3-E attempt to get stronger but lack the necessary skills to fight. Thus, the  Demon King  decides to train them so the class can eventually surpass and kill him with his speed of '99999'.

Characters

 * Demon King (A.K.A Korosensei)
 * Nagisa Shiota
 * Karma Akabane
 * Kaede Kayano
 * Yuma Isogai
 * Taiga Okajima
 * Hinata Okano
 * Manami Okuda
 * Meg Kataoka
 * Yukiko Kanzaki
 * Masayoshi Kimura
 * Hinano Kurahashi
 * Sosuke Sugaya
 * Tomohito Sugino
 * Kotaro Takebayashi
 * Ryunosuke Chiba
 * Ryōma Terasaka
 * Rio Nakamura
 * Kirara Hazama
 * Rinka Hayami
 * Sumire Hara
 * Yuzuki Fuwa
 * Hiroto Maehara
 * Koki Mimura
 * Takuya Muramatsu
 * Toka Yada
 * Taisei Yoshida
 * Tadaomi Karasuma
 * Irina Jelavić
 * Ritsu
 * Itona Horibe

Anime
Main article: Koro-Sensei Quest!

Trivia

 * In one of last episodes of Assassination Classroom, Korosensei directly references him coming back to life as an evil demon king.