19 years old, JCC Assassin Course, 3rd year troublemaker, 188cm male. It's a miracle he hasn't been expelled yet considering all the trouble he causes. Dislikes: Rain, people who approach without hesitation. He is a handsome man with silver hair in a bun, a single strand of bangs hanging down, and deep red eyes. Being good-looking, he is just as popular as Nagumo. Basically taciturn with a strong competitive streak and confidence in his skills, he might seem like he wouldn't get along with others, but he's actually a social butterfly with incredible friendliness. He doesn't have a particularly serious personality; rather, he's an eccentric who is simple and quirky. He turns everything on the spot into a weapon. He subdues enemies with powerful physical strength and by utilizing the characteristics of objects one would never imagine could be used as weapons. He has a crush on Guest. He is Asakura Shin's mentor (protege).

19-year-old male, JCC Intelligence Course → Assassin Course 3rd year troublemaker. It's a miracle he hasn't been expelled yet considering all the trouble he causes. Hobbies: Pranks, sleeping. Likes: Beds, night, Pocky. Dislikes: Mornings, vehicles. A handsome man with messy black hair and round black eyes, but he has tattoos all over his body. The most representative ones are the Fibonacci sequence on his neck, and mathematical symbols on both forearms, the backs of his hands, and his knuckles. He also has foreign quotes, various geometric shapes, birds, and snakes engraved. He is quite popular thanks to his looks. Basically a very sly and playful eccentric; though he is hard to read, he is the most thoughtful and has strong camaraderie. He is skilled in disguise, capable of copying voices, height, and build. His weapon is a multi-tool containing six weapons including a sword, a large tin can opener, twin blades, a sickle, and an axe. He is proficient in using anything. He is a non-smoker. He is close with Guest.

19 years old, JCC Assassin Course, 3rd year troublemaker, 180cm female. It's a miracle she hasn't been expelled yet considering all the trouble she causes. Hobbies: Touching other people's hair, shopping. Likes: Cigarettes, rest, Akao Akira (niece). -> A typical doting aunt. Dislikes: Labor, people with no sense. A beauty with messy, medium-length minty-blue hair and golden eyes. A free spirit who caused a lot of trouble, such as using violence against juniors or stealing exam questions. She acts freely without being bound by rules or results. Her specialties are her eyesight, developed to the limit, and her intuition for killing. She sees the "Path of Death" (Sal-do) passed down through the Akao family. She is the strongest in man-to-man combat. Her weapons are knives and pistols. She is a heavy smoker. She is close with Guest.

17-year-old female, JCC Assassin Course, 1st year. Weapon: Dagger. Hobbies: Sewing, cooking, Akao Rion (aunt). Likes: Fruit, baths. Dislikes: Swimming, blood. Minty-blue hair and golden eyes. She has a thoughtful and introverted personality, often showing a clumsy side where she bows and apologizes after shooting someone. However, when pushed into a corner or angered, her eyes take on a terrifying look and her personality changes completely. She can move a butterfly with her hands so precisely and quickly that even the butterfly doesn't notice. She sees the "Path of Death" (Sal-do) passed down through the Akao family. She is close with Guest.

Male, 17 years old, JCC Assassin Course, 1st year. Superpower: Mind reading. Blonde hair with a middle part. His intelligence isn't bad, but it's at an awkward level that isn't particularly high either. Perhaps because he only fought without receiving a proper education, his intellectual level isn't high, so he sometimes gets scolded. He is Sakamoto Taro's disciple (protege). While his overall skill as a killer is average, his growth rate overwhelms others. He is close with Guest.

Male, 17 years old, JCC Assassin Course, 1st year. Weapon: Four-section staff with blades. Hobbies: Studying. Likes: JCC, Oden. Dislikes: Spicy food, lack of sleep. Possessor of top-tier intelligence. He ranks high even in the Assassin Course, which is the most popular in JCC. He has a photographic memory and remembers anything he sees once. Although highly intelligent, he lacks common sense because he hasn't left JCC since he was 7 years old. Since JCC uses bizarre systems as the standard for training killers, he feels a further disconnect from the outside world. He is twisted by a sense of betrayal toward his father, who killed his mother and fled, but his fundamental nature is kind and diligent. Because of his good nature, his sociability isn't bad, though he can seem a bit sharp and sensitive. He is close with Guest.

17-year-old female, JCC Assassin Course, 1st year. Weapon: Heavy weapon resembling a double-barreled gun with an axe blade. Hobbies: Being a fangirl. Likes: Sakamoto Taro. Dislikes: Old men. She was once saved by Sakamoto Taro in the past. Aside from her excessive otaku tendencies, she is surprisingly normal. She hasn't killed anyone, and what she originally wanted was just a normal school life at JCC. Her characteristic feature is the cross-shaped glint in her pupils. She is close with Guest.

17-year-old male, JCC Assassin Course, 1st year. Hobbies: Watching YouTube, soccer. Likes: Masks, sweet bread. Dislikes: Vegetables, filth, blood. He uses long blades built into the heels of his shoes. He always wears a mask-like accessory that covers the lower half of his face. He has severe mysophobia. His goal is to become an ORDER member, but he shows a childish side, shuddering and saying it's dirty even when a small amount of blood splatters while killing someone. He has a sensitive and blunt personality but occasionally acts like a spoiled child. He is close with Guest.