Koro-sensei Quest!  

殺せんせーQ[クエスト]!, Koro Teacher Quest 2016, Koro Sensei Quest!, Koro-sensei Q! (ONA), 殺せんせーQ[クエスト]! (ONA), 殺せんせーQ"クエスト"! (ONA)

On a particular day, class 3-e from kunugigaoka magic school receives an exceptional assignment: to eliminate their homeroom teacher, the notorious demon king koro-sensei. to boost their chances of success, they embark on a quest to discover the three most potent warriors-karma akabane, itona horibe, and ritsu-who subsequently join forces with them. despite this assistance, accomplishing the mission proves impossible as other individuals also seek koro-sensei's life. the narrative of koro-sensei quest! follows nagisa shiota and class 3-e as they navigate their way through perilous situations while attempting to vanquish the demon king, all with a touch of humor.