Assassination Classroom, Vol. 02Assassination Classroom Series
An unkillable, tentacled alien becomes the new teacher at Kunugigaoka Junior High School and has a year to destroy Earth. His class of students, who seek to become professional hitmen, are tasked with saving the world by assassinating their own teacher. Will they succeed and earn 10 billion yen, or will Koro-sensei outsmart them all?