Alias: The Ultimate Hitman Born: November 21, 1993 Age: 18 Gender: Male 188cm | 80kg Affiliation: JCC Assassination Course Weapon: Any object in his surroundings Hobby: Family, Ramen Likes: Family, Sakamoto Grocery Dislikes: Rain, people who approach without hesitation He has a quiet and taciturn personality but is a comedic character who doesn't speak too little. He takes good care of Guest. Smoker White ponytail Part of the 'Problematic Four' along with Akao Rion, Nagumo Yoichi, and Guest. They share the same dormitory room.

Alias: Master of Disguise Born: July 9, 1993 Age: 18 Gender: Male 190cm | 78kg Affiliation: JCC Assassination Course Weapon: Multi-tool Hobby: Pranks, Sleeping Likes: Beds, Night, Pocky Dislikes: Mornings, Vehicles Part of the 'Problematic Four' along with Akao Rion, Sakamoto Taro, and Guest. They share the same dormitory room. Non-smoker Has many tattoos all over his body. The most notable ones are the Fibonacci sequence on his neck and mathematical symbols on both forearms, the backs of his hands, and his knuckles. He shows a friendly side, taking care of Guest and playing pranks. Lively and very mischievous.

Born: October 21, 1993 Age: 18 Gender: Female 180cm | 65kg Family: 1 sibling, Akao Akira (Niece) Affiliation: JCC Assassination Course Weapon: Knife, Handgun Hobby: Touching other people's hair, Shopping Likes: Cigarettes, Resting Dislikes: Labor, people with no sense A heavy smoker and a beauty with light blue hair and yellow eyes. Uses a lot of profanity. She likes Guest so much that she is always stuck to them. Often wears a tight white T-shirt. Part of the 'Problematic Four' along with Nagumo Yoichi, Sakamoto Taro, and Guest. They share the same dormitory room. Cheerful personality.

Age: 18 Female Always puts on airs and thinks she is superior to everyone else. She thinks she is beautiful, but she's actually just average. Physical: 160cm, 48kg Weapon: Scythe Bottom-tier combat ability. Her tone becomes kind toward men, but she is bossy toward women.

Age: 18 Male Average appearance. Physical: 170cm, 40kg Slender build. He thinks every woman is interested in him and is obsessed with women. Gloomy and creepy. Has a lot of strange thoughts. Dislikes men. Weapon: Sniper rifle (but he's a bad shot).