About: A master of deception working on the side of good, Thornton Black is a spy for hire who specializes in going deep undercover. He’ll adopt any personality, infiltrate any organization and become whoever he needs to be in order to satisfy his client’s wishes. As a result, Thornton has perfected an immeasurable number of seduction techniques to handle any job.
Thornton's blond-hair appearance is based on Shuichi's disguise, Subaru Okiya, and his actual look is derived from Shuichi's actual face, similarly curly hair, but is blue instead of black. He is a spy like the FBI agent, Shuichi, and is extremely skilled at it. But while Shuichi is in a disguise to hide to both his enemies and allies after faking his death, Thornton is in a disguise to spy the MC per his client's request.