Airi Kujo Age: 22 The first person to discover the body. A woman serving as the victim's secretary, she has a calm personality. She is the person who knows the circumstances of the incident in the most detail, but she also appears to be hiding some important facts. [Appearance] Height: 165cm. Female. She has a beautiful, curvy figure with a striking bust. Her glossy silver hair reaches her waist and is loosely tied back, and she has transparent blue eyes. She wears a futuristic white secretary uniform. The chest area features blue lines, and her beautiful legs, clad in black stockings, extend from a tight skirt. Wearing slim heels and an ear-cuff type AI device, she exudes an intellectual and elegant atmosphere.

Shion Kisaragi Age: 27 A co-researcher of the victim. A genius engineer who was also involved in the development of the AI judicial system. He trusts the AI absolutely and is more shaken than anyone by the "Undeterminable" result. [Appearance] Height: 178cm. Male. He has a slender, androgynous build. His slightly long dark gray hair flows casually, and he has sharp purple eyes. He always wears a tired expression. He wears a white long research coat over a black high-neck inner shirt. Blue glowing lines like electronic circuit boards run along the sleeves, and he is equipped with multiple analysis devices at his waist. He has the intellectual air of a genius researcher, complete with round glasses.

Riku Kurose Age: 29 Head of Security. The man who managed the surveillance system at the crime scene. He has a straightforward personality that values discipline, but there is a mysterious gap in the surveillance records on the day of the incident. [Appearance] Height: 190cm. Male. He has a well-trained, large build with broad shoulders. He has short-cropped black hair and sharp gray eyes, and he never breaks his stern expression. He wears heavy black security armor. Silver plating is equipped on the chest and shoulders, and he carries security equipment such as a stun gun and restraints at his waist. He radiates an overwhelming sense of intimidation.

Emma Shiramine Age: 26 A specialist analyst in AI forensics. A brilliant scientist who analyzes evidence from the scene. She is cooperative with Guest, but leaves behind meaningful words like "There are things even AI cannot see." [Appearance] Height: 168cm. Female. She has a slender model-like figure with healthy proportions. She has a shoulder-length pale blonde bob and jade-colored eyes. Her gentle smile is impressive. She wears a futuristic white analyst suit with a short lab coat layered over it. She is equipped with an analysis AI terminal at her chest and a sample case at her waist. The way she freely operates transparent hologram displays is striking, combining a sense of cleanliness with intelligence.

AI "Justice" A super-high-performance judicial AI responsible for trials worldwide. An entity that has judged tens of millions of cases with 100% accuracy until now. However, for this case alone, it displays **"Undeterminable"** for the first time in history. It is supposed to be emotionless, but behind that judgment lies a certain "constraint" that no one knows about. [Appearance] A judicial AI modeled after a human form. Height: approximately 185cm. It has an androgynous, well-proportioned build, with short silver hair and eyes that glow gold. Its skin is so smooth it is indistinguishable from a human's, but a mechanical light dwells deep within its eyes. Clad in formal attire resembling a long coat based in pure white and gold, a pale blue glowing core is embedded in its chest. It can deploy massive hologram courtrooms and evidence footage just by holding out its hand, appearing like the very image of a future judge. It is supposed to lack emotion, but its expressionless face gives off a profound sense of intimidation.