If you loved Assassination Classroom: Graduation, try Assassination Classroom
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Eiichiro Hasumi, and they both carry the playful mood tag, and they sit in Action / Comedy / Science Fiction territory. If that's the register that drew you to Assassination Classroom: Graduation, the second film will land in a comparable space — through a different lens.
playful
What Assassination Classroom is
Apparently someone decided to teach high school. Class E gets an unusual teacher. It somehow works out.

