A sequel to this film titled 'Assassination Classroom: Graduation' will be released in 2016.
There is also an anime adaptation of the Assassination Classroom manga which begun airing in 2015.
Former Japanese adult film and big-busty actress Anri Okita was supposed to be playing Irina in the movie thanks to her breast size. But she felt that it was too much for her on a big role and instead went to a smaller role as a background character as Irina was now played by Jiyoung of K-pop group Kara despite her breast size didn't match with the anime counterpart.
This is a live action adaptation of the Assassination Classroom manga by Yusei Matsui.
Movie debut for teen idol Ryosuke Yamada.