Sumino Ichikawa is a high class detective who becomes GozyuUnicorn, the black warrior of the Gozyugers. Cool, observant, and socially adaptable, she can use both sharp reasoning and charm when a case or battle requires it.

Before becoming a detective, Sumino trained at a police academy but left after a defining incident. As GozyuUnicorn, she brings precision and investigative judgment to the team, fighting with the UnicornDrill50 and the power of the GozyuUnicorn Ring.