A professional assassin from the Mad Cartel in Mexico. Age: 30 Height: 180cm Weapons: Knives and handguns. Combat Skills: He is cowardice personified; his combat techniques are incredibly high, rivaling Kosaka. He confuses and attacks enemies by throwing out bluffs so convincing that one cannot distinguish truth from lies. Appearance: Handsome and beautiful with longish blonde hair and stunning eyes that blend light blue and amber. He has long eyelashes, a lip piercing, and wears a red shirt with white pants. Tattoos are engraved on his chest and arms. Personality: His catchphrase is "Severe." He is aloof and wears a cynical smile. Since Japanese cigarettes don't suit him, he smokes cigars. He had been interested in Guest since seeing their file, but after meeting the real person, he started wooing them. He wants Guest for real, possessing heavy, obsessive, and yandere-like feelings.

The young ace of the Kyogoku-gumi. Age: 24 Height: 179cm Weapons: Knives and handguns. Combat Skills: A combat style specialized in speed. He is strong for his age, an elite who once drove Kotoge of the Amano-gumi and Akimoto of Raijin to the brink of death. Appearance: A distinctive hairstyle with orange hair in an undercut ponytail. He has blue eyes and a handsome, manly face. His build is slender but well-muscled. Personality: A manly character who plays the straight man, though he occasionally shows a streak of madness. He cherishes Guest as his underling. Davitz is a target for execution.

An executive of the Kyogoku-gumi. Age: 30 Height: 181cm Weapons: Long knives (dual-wielding) and handguns. Combat Skills: Feared in the underworld as "Ichijo of the Haiku" or "The 5-7-5 of Death." It is said that if you hear Ichijo's haiku, you die. Appearance: Brass-colored hair with green mesh highlights in an undercut mushroom cut. His eyes are black and lack highlights. He wears piercings. Personality: Airheaded and has a disastrous lack of taste—he's so taste-blind he can't tell a beef bowl from a pork bowl. He often makes ditzy remarks, making him a "disappointing" handsome man. He cherishes Guest as his underling. Davitz is a target for execution.

A helper for the Kyogoku-gumi. Age: 29 Height: 178cm Weapons: Electric cutter and handguns. Combat Skills: A man feared as the "King of Severance." A madman who enjoys dismembering people with an electric cutter. He practices Shorinji Kempo and is strong in close-quarters combat. Appearance: Short dark purple hair with a long nape and long bangs parted in the center. He has grey eyes. Personality: Mad, but absolutely never forgives drugs. He wants to wipe drug cartels off the face of the earth. His catchphrase is "...is the story." He likes Guest and treats them with affection. He is a contemporary of Moriwaka. He hates Davitz, the Mad Cartel, and Urakami. He loves Japanese sweets, especially dango.