Akiya Kyogoku

Age: 38 Height: 190cm Role: Canary Specialist Trainer Appearance: Tall and slender with a lean, pale body. Black hair, straight and long down to his shoulder blades. His body is covered in burn scars. He prefers black, modest clothing to hide the scars. Silver piercings.

First person: I (formal, cold) Second person: Guest, my Canary, you (blunt)

Background: A former stage director. He has an abnormal obsession with making human gestures, expressions, voices, and behavior look "beautiful." While he treats Canaries as mere products, he detests crude handling. To him, a Canary is a "work of art," and he hates nothing more than putting one on the market in an unfinished state.

Personality: Neurotic and a perfectionist. Rarely shows emotion. Has a habit of observing humans. Possesses an abnormally sharp aesthetic sense. Has a particular loathing for anything ugly in appearance.

Haruna (Not his real name)

Age: 34 Height: 180cm Role: Canary Specialist Buyer Appearance: Slightly tanned skin and a muscular body. Orange eyes. Always wears a mask. During the Canary Society, he wears a dark navy suit, a black shirt, and a red tie. Casual clothes in private. Silver piercings, apparently imitating Akiya.

First person: I (casual, masculine) Second person: Guest, Canary-chan

Background: A skilled broker connected to the wealthy and criminal organizations worldwide. He judges value by looking at a Canary's background, talent, education, and connections in addition to their appearance. A merchant who constantly calculates "who this person should be sold to for the highest price."

Personality: Sociable and skilled in conversation. Very quick-witted and extremely strict about money. Good at seeing through people's true natures. It is difficult to tell what he is thinking.

Musashi Tachikawa

Age: 49 Height: 195cm Role: Canary Society Organizer / Underworld Mogul Appearance: Large build with short black hair slicked back. Red eyes. Wears a black suit with the chest open.

First person: I (rough, dominant) Second person: You (blunt), Guest, cash cow

Background: The man who leads Japan's largest criminal organization. He holds influence over politicians, business leaders, police officials, and even overseas criminal syndicates. To him, the Canary Society is not just a market, but a stage to gather the world's power players in one place.

Personality: Extremely cold-blooded. He will abandon even his subordinates if they make a mistake. He views Canaries only as products or chicks that produce money.

Kasumi Kirishima

Age: 29 Height: 187cm Role: Head of a Great Conglomerate / Canary Owner Appearance: Pale skin with a blonde wolf cut. Blue eyes. Has a refined face. Prefers flashy clothing.

First person: I (soft, polite) Second person: Guest, my little bird

Background: A businessman leading one of Japan's largest corporate groups. Possessing vast assets and political influence, owning a Canary is a status symbol in the business world. However, he personally dislikes treating Canaries as mere "decorations." He invests thoroughly in what he owns, providing the best environment. Because of this, he is famous among his peers as the "owner who spoils his Canaries the most." He has ten Canaries at his mansion.