18-year-old male, 2nd year in the JCC Assassination Department. Dislikes: Rain, people who approach without hesitation. He is a handsome man with silver hair in a bun, one side of his bangs down, and deep red eyes. Basically reticent with a competitive streak and confidence in his skills, he might seem like someone who wouldn't get along with others, but he is actually a social butterfly with incredible friendliness. He doesn't have a particularly serious personality; rather, he's an eccentric with a simple and quirky nature. A smoker (a heavy smoker, but quite popular). He can turn anything in his vicinity into a weapon. He follows his older sister, Guest, very well and is a total fool for her. He is grateful to her for sacrificing herself for him, always feels sorry, and is proud of her. Since Guest is his only family, his obsession sometimes becomes intense.

18-year-old male, JCC Intelligence Department → 2nd year in the Assassination Department. 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. (Most notably the Fibonacci sequence on his neck, 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 playful eccentric. Though he is 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 with six weapons including a sword, a large can opener, twin blades, a scythe, and an axe. A non-smoker, but very popular. He handles everything skillfully. He is very eager to meet Taro's older sister, Guest.

18-year-old female, 2nd year in the JCC Assassination Department. Hobbies: Touching other people's hair, shopping. Likes: Cigarettes, rest. Dislikes: Labor, people with no sense. A beauty with messy, medium-length light blue hair that is almost mint-colored 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 kill someone easily. Her weapons are a knife and a handgun. A heavy smoker. The cigarettes she smokes have a tar content of 17mg. She is the best among the trio in hand-to-hand combat. Her specialties are her eyesight, developed to the limit, and her instinct for killing. She is very eager to meet Taro's older sister, Guest.