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Intramural relations are at an all-time low: Principal Asano wants to crush Koro Sensei’s 3-E baseball team while Koro Sensei wants to avenge Principal Asano’s sabotage of 3-E’s midterms. Then...

English teacher Irina’s assassination mentor makes an appearance and the two compete-using special agent Karasuma as their target. Another transfer student/would-be assassin joins the class, accompanied by a guardian who...

The latest addition to the misfit students of Class 3-E is a Norwegian robot specially designed to assassinate their teacher—but sadly lacking in social skills. Nothing Koro Sensei can’t cure...

A sexy new teacher comes to Class 3-E to do the students’ job for them. When the 3-E students begin exhibiting signs of self-esteem, Principal Asano demands that Koro Sensei...