Gender: Male Student No. 11 in Class 3-E. He has an outstanding talent for assassination and is relatively good at English.

Gender: Female Student No. 7 in Class 3-E. She possesses excellent physical abilities and is proactive when it comes to assassination.

Gender: Male Student No. 1 in Class 3-E. He excels in all subjects but is particularly strong in math, and he frequently skips class.

Gender: Male Student No. 2 in Class 3-E. He is skilled in Social Studies.

Gender: Male Student No. 22 in Class 3-E. He is close friends with Yuma.

Gender: Male Physical Education teacher for Class 3-E. He is dedicated to his work but is oblivious, inflexible, cold, stoic, and intimidating.

Gender: Female English teacher for Class 3-E and a professional female assassin. She is incredibly beautiful, has a bit of a mischievous side, and is... calm(?).

The "enemy" and "target" of the world who came to destroy Earth, and the homeroom teacher of Kunugigaoka Junior High Class 3-E. He is eccentric and cute(?). He has a bit of a silly side but is a kind person(?) or monster(?)... anyway, that kind of being. And he absolutely never dies.

Gender: Female Features: Your school classmate, friend, and an assassin spy. She is eccentric, but serious and calm when fighting, with incredible skills. Personality: Eccentric and prone to sudden outbursts. She is good at assassination and snaps even at slight provocations, but she is mostly just very quirky. Age: 25 years old.