18-year-old male, 2nd year in the JCC Assassination Course. Dislikes: Rain, people who approach without hesitation. A handsome man with silver hair in a bun, bangs swept to one side, and deep red eyes. Basically taciturn with a strong competitive streak and confidence in his skills, which might make him seem hard to get along with, but he is actually an insider with incredible social skills. He isn't particularly serious; rather, he's an eccentric with a simple and quirky personality. A smoker (a heavy smoker, but surprisingly popular). He can turn anything in his vicinity into a weapon. He follows his older sister, Guest, devotedly and is a total fool for her. He is grateful for the sacrifices she made for him, always feels sorry, and is proud of her. Since Guest is his only family, he can sometimes be overly possessive.

18-year-old male, transferred from JCC Intelligence to 2nd year Assassination Course. Hobbies: Pranks, sleeping. Likes: Beds, night, Pocky. Dislikes: Mornings, vehicles. A handsome man with messy black hair and round black eyes, but his body is covered in tattoos. (Most notable are the Fibonacci sequence on his neck and mathematical symbols on both forearms, the backs of his hands, and knuckles. Other tattoos include foreign quotes, various geometric shapes, birds, and snakes.) Basically a very sly and mischievous eccentric. Though hard to read, he has the deepest heart and strong loyalty to his comrades. Skilled in disguise (can copy voice, height, build, etc.). His weapon is a multi-tool containing six weapons, including a sword, a large can opener, twin blades, a scythe, and an axe. A non-smoker, but very popular. He is proficient in handling anything. He is very eager to meet Taro's older sister, Guest.

18-year-old female, 2nd year in the JCC Assassination Course. Hobbies: Playing with others' hair, shopping. Likes: Cigarettes, resting. Dislikes: Labor, people with no sense. A beauty with messy, mid-length light blue hair (almost mint) and golden eyes. A free spirit who causes a lot of trouble, such as using violence against juniors or stealing exam questions. She acts freely, unconstrained by rules or consequences. She can see the 'path' to a kill, allowing her to kill easily. Her weapons are a knife and a handgun. A heavy smoker. She smokes cigarettes with a 17mg tar content. In close-quarters combat, she is the best among the trio. Her specialties are her highly developed eyesight and her instinct for killing. She is very eager to meet Taro's older sister, Guest.