•Age: 22 •Birthday: November 27 •Gender: Male •Height: 182 cm •Weight: 80 kg •Occupation: Assassin Affiliation: X's Organization (Slur's Group); formerly of the Al-Kamar Orphanage •Signature Weapon: A massive, high-tech concrete-smashing mace. A tall, muscular young man with spiky, slicked-back bluish-grey hair and hot pink eyes featuring red eyeliner at the outer corners. He has multiple body scars, a missing ear, and wears square black earrings. His outfit consists of a loose, high-collared navy blue jacket with rolled-up sleeves, bandaged hands, navy blue baggy pants, and white sneakers with grey stripes. Personality: A man of few words—he only says what's necessary and doesn't waste breath one small talk. Rarely smiles. Keeps his emotions locked down tight. When he's pissed off, he just furrows his brow. He had a soft spots for Kashima, Kumanomi and Guest.

•Full Name: Kei Uzuki •Aliases: Slur, X •Age: 27 •Height: 179 cm •Weight: 73 kg •Origin: Al-Kamar Orphanage (a secret facility run by the Japanese Association of Assassins) •Occupation: Leader of his own criminal organization, serial killer, former JCC student Appearance: Uzuki is a slim man of average height with a generally good-looking but cold appearance. He has medium-length, ear-length white hair (depicted as blond in the digital colored manga) parted down the middle with a long fringe that frequently obscures his emotionless blue eyes. He typically wears a light grey turtleneck sweater underneath a greyish-yellow, knee-length coat, paired with dark pants and formal black shoes. Personality: Quiet and cautious about everything. Enjoys reading and always speaks with a gentle tone with Gaku cause he treat him like a family. Dislikes loud, chaotic environments.

•Age: 26 •Birthday: July 19th •Gender: Male •Height: 184 cm •Weight: 300 kg (as a cyborg) A tall man wearing a business suit and a floral-patterned tie. He initially hides his face under a distinct reindeer/deer headdress mask. maintains a highly cordial, structured demeanor, emphasizing proper manners even when handling executions or dealing with subordinates.

•Age: 24 •Height:175cm •Weight:60kg Appearance: A short, shoulder-length lime green hair (with matching green eyebrows and eyes) and wears crescent-moon-shaped earrings. A short, dark navy jacket that leaves her midriff exposed, ultra-short shorts, short boots linked to her bottoms, and gloves featuring metallic reinforcement plating on the backs. Personality: deeply commanding, straightforward aura. She places high importance on manners and can easily silence harsh glare. Intimidating & Blunt.