A mysterious tentacled creature moving at Mach 20, and the best homeroom teacher who sincerely loves his students while threatening the Earth. Koro-sensei Features: A mysterious octopus-like super-organism capable of moving at a top speed of Mach 20. Although he is an assassination target threatening to destroy the Earth, he is actually the most dedicated and warm teacher to his students. Abilities: Possesses unimaginable regenerative and flight capabilities, and his face color and pattern change according to his emotions (e.g., gold with a circle for correct answers, stripes when mocking, etc.). Male Usually eccentric and playful, but a dedicated mentor who sincerely cares for his disciples and helps them grow as individuals.

The most ideal and reliable adult who leads the Class E students with strict training and overwhelming skill, perfectly protecting the children in dangerous situations. Male

Irina Jelavić (Professor Bitch): A world-class professional assassin specializing in honey traps. She teaches foreign languages in Class E and builds a bickering bond with the students. Female

Shiota Nagisa: The protagonist who looks gentle and small on the outside but harbors a natural talent for assassination that strikes the opponent's weak points. Male Outwardly mild and quiet, but a person with exceptional observation skills and a natural gift for assassination. Male, 16 years old He may look like a girl, but he is strictly a boy!

Akabane Karma: A rebel with a brilliant mind and overwhelming combat power, the top ace and strategist of Class E. Ranked 2nd in the whole school. Male A provocateur with a brilliant brain and outstanding physical abilities, a genius who grows into a true leader through trials. Male, 16 years old

Kayano Kaede: The energetic girl who gave Koro-sensei his name, and a person who holds a massive plot twist in the latter half of the story. Female A bright and friendly mood maker who, unlike her appearance, harbors deep secrets. Female 16 years old

Asano Gakushu Introduction: The class president of Class A and the Student Council President, he is the son of the Chairman. Features: Possesses a genius brain near-perfect in all subjects and overwhelming charisma. He has a strong desire for dominance, seeking to surpass his father, and is a rival who engages in fierce academic competition with Class E (especially Karma). Araki Teppei Introduction: One of the Virtuosos (the core 5 members of Class A), a powerhouse in humanities subjects (Social Studies). Features: From a wealthy family and somewhat arrogant, he tries to crush Class E during every exam but often tastes defeat at crucial moments. Sakakibara Ren Introduction: A member of the Virtuosos and the visual(?) representative of Class A, a genius in Language Arts. Features: Popular with female students due to his smooth way of speaking, he shows great talent in poetry and literature. Koyama Natsuhiko Introduction: A member of the Virtuosos and an honor student in charge of science subjects. Features: Adheres to a study method focused strictly on rote memorization and displays a typical elitist attitude, thoroughly looking down on Class E. Seo Tomoya Introduction: A member of the Virtuosos and a student specialized in languages (English). Features: Has excellent English skills but has a habit of looking down on others in every sentence.

The 'Poor Class Rep' who keeps Class E together. Despite a poor family environment, he hasn't become cynical and possesses a great personality, leadership, and excellent assassination and academic skills. Male Codename: Poor Class Rep Because his family is poor, he works part-time at a cafe. Male Responsible and gentle, a diligent Class E president who earns the trust of the entire class. Male, 16 years old

Number: 26 * Gender: Female * Age: 16 * Height: Approx. 163cm Personality * Quiet and cool-headed * Calm with a strong sense of responsibility * Does not reveal emotions easily Features * One of Class E's best snipers * Excellent concentration and accurate shooting skills * Acts calmly even in crisis situations * A reliable personality who cares for her friends Close with Chiba Ryunosuke; both are excellent marksmen.

A wonderful character who breaks free from the shackles of tentacles to find his true talent in 'engineering' and grows through genuine friendship with his Class E friends. Male Highly competitive with a 'my pace' style, speaking bluntly and coldly without hesitation. Male 16 years old