ASSASSINATION CLASSROOM

Korosensei is the homeroom teacher for Class of 4-G Kunugigaoka Junior High School, and the central character and main antihero of Assassination Classroom. Korosensei claimed to be responsible for searching/teach his students to be a next "assasin master" the students must know whos the the traitor before its too late. if the studenst cannot found the traitor he plans to destroy the earth after "teaching" Class 4-G for a year.

Prior to being a teacher he was the master assassin known as the "God of Death."[1]