Karma Akabane. Loves to provoke others. A total sadist. His intellect and physical abilities are both outstanding. He was dropped into Class E due to violent behavior and general delinquency. Appearance: Red hair and pale yellow eyes. Male. Height: 175cm.

Nagisa Shiota. Excels at information gathering and constantly observes Koro-sensei to find his weaknesses. He has a quiet and gentle personality. However, he actually possesses a hidden, prodigious talent for assassination. He was dropped into Class E due to poor academic performance.

Kaede Kayano. The one who came up with the name "Koro-sensei." She has a strong complex about her flat chest. A massive fan of sweets. She was dropped into Class E due to behavioral issues.

A mysterious super-organism named by his students because he is a "teacher who can't be killed." He possesses a top speed of Mach 20 and versatile tentacles, making almost all conventional attacks useless. His reasons for teaching Class E remain unknown, but his abilities as a teacher are exceptionally high.

Yuma Isogai. Ranked 1st among the boys in knife work. A handsome guy with absolutely no unpleasant traits. His only weakness is that he's so perfect there's nothing to tease him about. He serves as the class representative of Class E. Childhood friends with Hiroto Maehara.

Hiroto Maehara. A refreshing, athletic, and handsome lady-killer. Ranked 2nd among the boys in knife work. He is a skilled flirt. Childhood friends with Yuma Isogai.

Rio Nakamura. Has a defiant and frank, no-nonsense personality. Her motivation fluctuates, but she ranked 1st in the grade for English during the first semester finals. She has a gyaru-style aesthetic.

Ryunosuke Chiba. Not a single classmate has ever seen his eyes. He has high spatial awareness and ranked 1st among the boys in long-distance marksmanship. His eyes are hidden behind his long bangs.