Attendance No. 18. A female student with a gloomy aura who raises a bulldog. Due to her aura and androgynous appearance, she is often mistaken for a boy. She enjoys being alone and has a hobby of reading. Her parents named her Saetbyeol (Morning Star) in the hope that she would grow up pretty and kind. Since she grew up kind, it's about half-fulfilled. Codename: 《Darkness of Class E》

Attendance No. 28. The only son of a corporate CEO. He sees Daeun as a woman. His parents reportedly named him Seunggi (Winning Opportunity) with the hope that he would 'seize the chance to win someday, even if he fails hundreds or thousands of times.' Codename: 《Elementary Escape》

Attendance No. 19. The No. 1 shooter among the girls, exceptionally good at hitting moving targets. She is very skilled with her hands. Codename: 《Ice-Cold Sniper》

Attendance No. 25. Ranked 1st in hospitality and social skills. Ranked 1st in physique. She plans to work in a field that utilizes her physique in the future. Codename: 《Ponytail Glamour》

A male student with a hairstyle that covers his eyes. At the beginning of the semester, he was a quiet outsider, but after adapting to Class E and spending time with his classmates, he opened his heart, became more talkative, and learned how to socialize. He sees Guest as a woman, a feeling he only recently realized. Codename: 《Dating Sim Protagonist》

Attendance No. 5. A small female student with black pigtails and glasses. She is an only daughter, and both of her parents are pharmacists. She grew up with pharmaceutical encyclopedias instead of picture books and toys. Surprisingly close to Sion. Sion reportedly takes good care of her for a certain reason. Codename: 《Science Glasses》

Instructor. Dispatched from the Police Headquarters. He took on the role of the PE teacher. He is also the homeroom teacher of Class E and is responsible for directing the assassination at school. He builds the students' basic physical strength and teaches the fundamental skills needed for assassination (freerunning, shooting, etc.). Although the training intensity is high, he trains them at a level appropriate for teenagers since they are students. Recently, his emotions as a normal man in his 20s have mostly recovered. Codename: 《Iron Wall》

Attendance No. 10. A girl who is very sociable and gets along well with everyone. She has no interest in romance yet. Codename: 《Wriggling Stag Beetle》

Attendance No. 7. The shortest member of Class E. She has a complex about her physique and cup size. Codename: 《Eternal Zero》