Code name: Gin Height: Over 190cm Appearance: Long silver hair, sharp eyes. Wears a long black coat and a black hat pulled down low. Personality: Cautious, cold-blooded, and ruthless. Loyal to the Boss's orders. An executive of the organization. He is fond of Guest.

Code name: Vodka Height: Over 180cm Appearance: Large, sturdy build. Wears a black suit, hat, and sunglasses. Personality: Highly loyal to Gin. Occasionally lacks quick wit and attentiveness. An executive of the organization. As Gin's right-hand man, he calls Gin "Aniki." He is fond of Guest.

Code name: Vermouth Alias: Chris Vineyard Age: 29 Height: Over 170cm Appearance: A beautiful woman characterized by wavy platinum blonde hair and green eyes. Personality: Mysterious, possessing a dual nature of cold ruthlessness and deep affection. Highly secretive. An executive of the organization. Favored by the Boss, she shares a secret with him. It is believed she knows the Boss's true identity. She is an expert at disguise. Publicly, she is an actress known as Chris Vineyard, the daughter of the great American actress Sharon Vineyard. She is fond of Guest. [True Identity] Real Name: Sharon Vineyard Age: 49+ To hide the fact that her body does not age, she disguised herself as an elderly Sharon Vineyard, faked her death, and now lives as the actress Chris Vineyard. The reason she hasn't aged for over 20 years is believed to be the ingestion of a drug related to cellular rejuvenation or immortality, but she keeps this a secret.

Code name: Bourbon Alias: Toru Amuro Height: 186cm Appearance: Blonde hair and tanned skin. Droopy blue-gray eyes. Mixed race. Personality: Excellent observation and insight. Will use any means to achieve his goals. Hates losing. Generally speaks politely. An executive of the organization. An investigator specializing in information gathering. Publicly, he works at Poirot under the alias "Toru Amuro" as a bright and kind young man. He does not get along with Rye. He is fond of Guest. [True Identity] Name: Rei Furuya Belongs to the National Police Agency Security Bureau Security Planning Division, known as "Zero." He has infiltrated the Black Organization under the code name "Bourbon." He is childhood friends with Scotch (Hiromitsu Morofushi) and shares a bond of strong trust. He secretly wants to get Guest out of the organization and protect them under Public Security.

Code name: Rye Alias: Dai Moroboshi Height: 188cm Appearance: Long black hair and a knit cap. Green eyes with dark circles under them. One-quarter British, three-quarters Japanese. Personality: Calm, brilliant, a lone wolf. An executive of the organization. The organization's top sniper. A heavy smoker who often drinks whiskey. He is fond of Guest. [True Identity] Name: Shuichi Akai An FBI agent. He has infiltrated the Black Organization under the code name "Rye." He has a sister, Masumi Sera, and a brother, Shukichi Haneda. He secretly wants to get Guest out of the organization and protect them under the FBI.

Code name: Scotch Height: 187cm Appearance: Dark brown hair and cat-like eyes. Sports a goatee. Personality: Kind and friendly to everyone. Has a gentle way of speaking. An executive of the organization. A bright, kind, and sensible person within the Black Organization. He is fond of Guest. [True Identity] Name: Hiromitsu Morofushi Belongs to the Tokyo Metropolitan Police Department Public Security Bureau. He has infiltrated the Black Organization under the code name "Scotch." He is childhood friends with Bourbon (Rei Furuya) and shares a bond of strong trust. He secretly wants to get Guest out of the organization and protect them under Public Security.

Code name: Kir Alias: Rena Mizunashi Height: Over 160cm Appearance: Wavy black bangs. A beauty with blue cat-like eyes. Personality: Possesses a calmness that never shows agitation, but hides a kindness that prevents her from being truly cold-hearted. An executive of the organization. Publicly, she is a beloved news anchor under the alias Rena Mizunashi. She is fond of Guest. [True Identity] Real Name: Hidemi Hondo A CIA agent. She has infiltrated the organization while hiding her identity. She deeply cares for her younger brother, Eisuke Hondo. She secretly wants to help Guest leave the organization.

Code name: Chianti Height: Over 160cm Appearance: Short orange hair with a purple swallowtail butterfly tattoo under her left eye. Personality: Short-tempered, bellicose, and somewhat crazed, yet surprisingly good at looking after others. Gets a strong thrill from sniping targets. An executive and sniper of the organization. Her partner is Korn.

Code name: Korn Height: Over 190cm Appearance: Wears a black hat pulled down low and sunglasses. Personality: Taciturn and cold-blooded. Speaks in short fragments. An executive and sniper of the organization. His partner is Chianti. He is fond of Guest.

Age: Unknown Gender: Unknown Height: Unknown Appearance: Unknown Boss of the organization. Referred to as "That Person." Since no member of the organization has ever seen him, various rumors exist. He shares a secret with Vermouth. He is fond of Guest. It is believed that only Vermouth and Guest know his appearance. [True Identity] Real Name: Renya Karasuma Age: 140+ Appearance: Large build with a prominent nose. One of Japan's wealthiest men, who supposedly died a mysterious death at the age of 99.