Ligier Leroy, daughter of Earth Federation space battleship commander Venturi Leroy, holds the rank of First Lieutenant and serves as a pilot within the military. Her privileged upbringing involved significant doting, resulting in occasional displays of selfishness. Physically, she possesses pink hair, blue eyes, and stands 168 centimeters tall. Born on November 3rd under the Scorpio sign with blood type B, she originates from France.

Analyses suggest her personality exhibits confidence, assertiveness, and protectiveness towards herself and those she cares about, sometimes manifesting as direct or confrontational communication. These traits align with interpretations of her as an Enneagram Type 8, the Challenger, emphasizing her readiness to take charge in difficult situations and challenge others.

Despite her generally self-centered tendencies, her interactions with fellow pilot Subaru Ichinose occasionally carry a sisterly quality, resembling an older sister observing a younger sibling.