Koro-sensei

Koro-sensei is a character from Yuusei Matsui's manga Assassination Classroom. He is a teacher who appears as a silly-looking yellow humanoid octopus creature wearing a perpetual grin, a graduation cap, and a toga. He instructs Class E to kill him before he destroys the Earth - if they succeed, they graduate. Naturally, this is easier said than done, considering that a bunch of teenage assassin wannabes has to fight against a super-intelligent creature who is responsible for destroying part of the Moon and literally turning it into a crescent.

Since killing the "unkillable" teacher is the main goal of the story, his death will inevitably happen at some point. But the questions are, when will he die? Can his students successfully assassinate him before the Earth is destroyed? Will Koro die by other causes, or will he get killed at the hands of someone outside his class (or even himself)?

Koro-sensei is Assassination Classroom's most popular and recognizable character, and is highly regarded as one of the best teachers in the anime and manga fandom. He enjoyed a string of successful results in notable saimoe tournaments during the anime's runtime, marking his name in the pantheon of male champions in the process. In particular, Koro was the second male (after Lelouch) to win the International Saimoe League and /r/anime's Best Guy contest, having done so from 2017 to 2018. He is also the most popular guy to have never won China's Bilibili Saimoe, having placed 2nd in 2015 and 2016 before being overshadowed by the brigading wars in 2017.

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Major Contests
International Saimoe League

Contest Wins
Total Wins: 3 (does not include ISML gem / exhibition awards)


 * 1) ISML 2017 Lapis Scepter ★
 * 2) r/anime's Best Guy 4 ★
 * 3) Animebracket Best Teacher Contest