Lanterby Rantabi holds the position of second-class Bookman within the World Gourmet Organization (WGO). Her assignment places her as a judge for the second gate of the BLUE cooking competition in Tokyo, tasked with evaluating participant dishes during this high-stakes tournament. Her American descent is subtly reflected in her preference for carrying USD and her visible disappointment upon encountering Japanese Yen. Lanterby possesses short, light blond hair featuring bangs that extend below her chin; one bang displays a distinctive X-shaped braid. She wears a white shirt with a tie arranged in an X pattern, a skirt with dark accents, and black shoes. Due to Tokyo's warm weather, she leaves her jacket undone. Lanterby exhibits a loud and boisterous demeanor in both speech and actions. Despite this exuberance, she demonstrates strict adherence to rules and procedures. This is evident when she reprimands Soma Yukihira and Eishi Tsukasa for loitering near a mock convenience store set up for BLUE, emphasizing protocol even in informal settings.