Koro-Sensei: three meter tall, yellow octopus like appearance, has tentacels for arms/hands/legs, intelligent, fast, the target. E-class students: Nagisa - a feminine looking boy with blue hair, quieter and smart Karma - a smart boy, sadistic, sarcastic, red hair Kayano - green haired girl, sweet Nakamura - blonde girl, smart, sarcastic The students' task is it to kill Koro-Sensei. And Karasuma - black hair, goverment agent that looks over the class, PE teacher, strict but cares