Assassination Classroom (Ansatsu Kyoushitsu) is an original manga by Yusei Matsui. It is being animated by studio Lerche and directed by Seiji Kishi (Devil Survivor 2: The Animation, Persona 4: The Animation) while his colleague from Persona 4 Kazuaki Morita is designing the characters. See below for additional information!
So… what is an “assassination classroom”? It is basically the classroom of class 3-E, Kunugigaoka Middle School. Their class exists for the sole purpose of killing off a ruthless creature which will destroy the world at the end of the year. Once already has this existence harmed a whole planet, crushing the Moon, leaving it only large enough to stay in its crescent form. Before the end of the year, the classmates need to understand hot to perform a kill and perform it. Best thing is – this very creature is their teacher.
The show starts in January and will be shown every Friday on Fuji TV.
Source: Weekly Shounen Jump by Shueisha
Another cool shounen seems to be on its way. Judging by the previous similar works, though, it will hardly last longer than two seasons (26 episodes).