Assassination Classroom (2013)

Assassination Classroom is an action-packed TV show about a strange and powerful creature that has threatened to destroy the Earth. In order to stop him, the government assigns him as a teacher to Class 3-E of Kunugigaoka Junior High School. The students of Class 3-E are considered to be the worst students in the school, but they have been given a special mission - to assassinate their new teacher before the end of the school year. As the students face numerous challenges and learn valuable life lessons, they also become stronger and more determined to fulfill their mission.