暗殺教室 (Ansatsu Kyoushitsu)
Shounen – Action, sci-fi, comedy, drama
21 Volumes (complete)
To students at Kunugigaoka Junior High, being sent to Class 3-E is almost a fate worse than death. But the students in 3-E know all about death: they’re tasked with killing their teacher to save the world! Their target and teacher, an octopus-like being, has incredible abilities that make him seemingly unkillable. But his greatest skill may be teaching a class of “losers”!