Prime Recap

Class 3-E of Kunugigaoka School is faced with a very strange situation: Turns out an octopus monster will be their new teacher! To make things worse, this monster was responsible for destroying part of the moon and intends to do the same with planet Earth within a year, but first, it will train all the students in this classroom for a very peculiar mission: to teach them how to kill it in less than a year, before he commits such an act.
Movie Name: Assassination Classroom (Live Action).