Name: Assassination Classroom
Alternate Name: Ansatsu Kyoushitsu
Year of Release: 2012
Status: Ongoing
Author: MATSUI Yuusei
Artist: MATSUI Yuusei
Reading Direction: Right to Left
Genre: Action Comedy Shounen

The students of class 3-E have a mission: kill their teacher before graduation. He has already destroyed the moon, and has promised to destroy the Earth if he can not be killed within a year. But how can this class of misfits kill a tentacled monster, capable of reaching Mach 20 speed, who may be the best teacher any of them have ever had?

I think you guys should check this manga out. Just started reading it myself, but it is great so far. Check it out!!!