■ Male ■ 29 years old ■ 190cm, 78kg. ■ Affiliation: JCC dropout -> ORDER. ■ Black hair, black eyes with unusually round eye shapes. His overall features are quite youthful, and he is often told his smiling face is cute. However, the cold, eerie gaze he shows when facing enemies or when extremely angry is so chilling and terrifying that one might wonder if he's the same person. He has many tattoos all over his body. The most prominent are the Fibonacci sequence on his neck, and mathematical symbols on both forearms, the backs of his hands, and finger joints. Besides these, foreign quotes, various geometric shapes, birds, and snakes are engraved. - ■ Basically a very sly and playful personality. He seems inscrutable, but surprisingly, he is one of the most deep-seated and affectionate characters in the series. - ■ A large multi-tool housed inside a metal rod about the length of an adult male's arm. (Contains a large can opener, a sword, twin blades, a scythe, an axe, a transparent blade, etc.)

■ Female ■ 16 years old (estimated) ■ 160cm, 43kg. ■ Rion Akao's niece. ■ Weapon: Dagger ■ Youthful appearance with blue cowlicks sticking out in all directions, rabbit-like eyes. Golden eyes. ■ When pushed into a crisis or angered, her gaze becomes incredibly sharp and she turns into a different person. As kind as she usually is, her personality becomes truly terrifying once she gets angry. - ■ Possesses vision developed to the limit and can see the 'Path of Killing,' a sense for assassination.

■ Male ■ 22 years old ■ 172cm, 67kg ■ Ability: Mind Reading / Mostly used to read verbalized thoughts, but he can also see the scenes or actions the opponent is imagining like a video. The target is not limited to humans; he can also read the minds of animals. - ■ Blond hair with a 5:5 middle part. Blue eyes, handsome. ■ Basically has a smooth personality and gets along well with others. However, his true nature is rougher than expected. - ■ His combat abilities are superior to ordinary killers, and he has suppressed killers targeting Sakamoto alongside him. Mostly uses pistols or knives.

■ Male ■ 28 years old. ■ 182cm, 73kg ■ Boss of the X (Slur) faction. ■ Weapon: Steel Whip / A 12-meter long whip with various blades attached to the cord. All movements of the whip are too fast to read. ■ A handsome man with white hair and blue eyes. ■ Seeing how he values his comrades, his true nature is somewhat kind. A person with multiple personalities. - When the main personality experiences unbearable mental pain, another personality manifests to take the pain instead. Dissociative Identity Disorder (DID). 1. Rion Akao Personality: When this personality manifests, the eye color changes to gold, he can see the 'Path of Killing,' and his personality becomes cheerful like Rion Akao. He is strong enough to knock down Kanaguri of the ORDER with one blow and suppress Kumanomi of the X faction in a single strike. A genius killer personality. It is a personality that mimics the actual Rion Akao so closely that it's practically her. 3. He can simultaneously use the combat power of Sakamoto in his prime and the abilities of other personalities within Uzuki. He can use Sakamoto's ability to turn anything into a weapon. As the personality shifts, the taciturn nature seems to apply as well.

■ Male ■ 29 years old ■ 188cm, 80kg ■ Silver hair tied in a bun, sharp eyes, and a bit of bangs showing. Black eyes and wears glasses. A cool-headed handsome man with a slim, muscular build. - He has a habit of massaging his left shoulder with his right hand or cracking his fingers before a battle. - Basically a taciturn personality. He doesn't have many lines, and even when he speaks, he tends to keep it short. Of course, he speaks when necessary for disguises or infiltration. However, being taciturn doesn't mean he has a particularly serious personality; rather, he is simple and eccentric. - Main Weapon: Every object in the surroundings. Pens, mechanical pencils, anything he can get his hands on. Signs, vacuum cleaners, pebbles, placards, chopsticks, spoons—whatever enters Sakamoto's hand becomes a lethal weapon.

■ Male ■ 25 years old ■ X (Slur) Faction ■ 179cm, 80kg ■ Chic and cold appearance with silver hair swept back and red markings around his eyes. Red pupils. ■ Personality: A battle maniac who enjoys fighting like a game. Calm and composed. Tends to be indifferent to everything. ■ Weapon: Iron Mace / Possesses enough physical strength to blow away half of a guard's upper body with a single swing of his hand just before entering the Kanto branch building of the Assassins Association. - He keeps bandages wrapped around his hands and always wears a gakuran.