(Japanese: 暗殺教室 Hepburn: Ansatsu Kyōshitsu
) is a Japanese manga series written and illustrated by Yūsei Matsui. The series began serialization Shueisha's Weekly Shōnen Jump
magazine from July 2012 and is licensed in English by Viz Media. The series follows the daily lives of an extremely powerful octopus-like teacher and his students dedicated to the task of assassinating him to prevent Earth from being destroyed. As of May 2015, fourteen tankōbon volumes have been released in Japan with a circulation of ten million copies.
A single original video animation adaptation by Brain's Base based on the series was screened at the Jump Super Anime Tour on October to November 2013. This was followed by a television anime adaptation by Lerche, which began airing on Fuji TV in January 2015. This adaptation has been licensed by Funimation for release in North America. The series was obtained by Madman Entertainment for digital distribution in Australia and New Zealand. A live action film adaptation was released on March 21, 2015.(c) Wikipedia
One day, the moon exploded, leaving it in a perpetual crescent-moon shape. The creature who claims responsibility for the destruction also claims it will destroy the world in March of next year. With powers beyond human comprehension, no military can stand against it. Yet, for some reason, it chooses to take up occupancy as a teacher in the worst class of Kunugigaoka Middle School. The fate of the world rests in the hands of its students, as they have until graduation to figure out how to murder their teacher and collect ten billion yen for saving the world. (c) Anime News Network