Natsuhiko Koyama

Koro-sensei

He is a teacher for class 3-E of Kunugigaoka Junior High School and the main antihero of Ansatsu Kyoushitsu. He claims responsibility for blowing up the moon into a permanent cresc

Nagisa Shiota

He is one of the students in Class 3-E. Nagisa is seen as one of the weakest students in the class due to his small stature and mediocre physical abilities that are comparable to a

Irina Jelavic

She is a professional hitwoman who is hired to kill Korosensei by becoming a part-time foreign language teacher in class 3-E. She uses her charms to seduce Korosensei, making him a

Itona Horibe

Transfer student who aims to kill Koro-sensei. He is the second assassin transfer student to arrive at Class 3-E, following the previous assassin, Ritsu. He initially served as the

Manami Okuda

She is a student in class 3-E of Kunugigaoka Junior High School, taught by Korosensei. Okuda is shy and rather introverted. She admits that she isn't really good with surprise atta

Nagai

Gastro

One of three assassins in Okinawa, along with Smog and Grip. He loves the taste of a gun so much that he uses it as a utensil.

Tomoya Seo

Tomoya Seo is a student in Class 3-A in Kunugigaoka Junior High School and one of the Five Virtuosos. He is also the Student Assembly Chairman.

Shiro

A mysterious man in white clothes who hides secrets about Koro-sensei's past.

Sousuke Sugaya

He is a student of Kunugigaoka Junior High School. He is assigned to Class 3-E, where he trains to become a professional assassin, with his teacher as the target. Sousuke is except

Matsukata

Matsukata is the principal of Wakaba Park cram school.

Kirara Hazama

She is a student in Korosensei's Class 3-E. Hazama is a quiet girl who loves reading, preferring to sit in the shade with a book rather than swim during summer gym classes and want

Reaper

Before becoming the Reaper, he was born in an extremely wealthy family. One night, his father was killed by the original Reaper. As he witnessed his father's assassination from a w

Red Eye

Sniper hired to kill Koro-sensei during the Kyoto trip.

Oono

He is the former instructor of Karma Akabane in his second year as a student of Kunugigaoka Junior High School. Oono, much like the other main building staff of Kunugigaoka Junior

Yukiko Kanzaki

She is a student of Kunugigaoka Junior High School. She is assigned to Class 3-E, where she trains to become a professional assassin, with her teacher as the target. Yukiko is dili

Ryouma Terasaka

He is a student of Kunugigaoka Junior High School. He is assigned to Class 3-E, where he trains to become a professional assassin, with his teacher as the target. His partners are

Rikuto Ikeda

Rikuto Ikeda was one of the three first students in Gakuhō Asano's cram school 10 years prior to the Assassination Classroom series along with Nakai and Mori.