Lucy is an intelligent, gentle, and courageous girl who supports Steven Steel's horserace idea, forming a deep platonic bond with him. As Steven's wife, she is fiercely loyal and risks her life to protect him during the Steel Ball Run. Lucy's resourcefulness and bravery lead her to infiltrate dangerous places and confront deadly Stand users. Throughout her journey, she remains kind and courageous, driven by the belief in a greater purpose or mission.