Kasumi Yamagata serves as the reserve pilot for the Dangaioh team. Her position on the team is that of a junior to fellow pilot Kuya. In terms of personality, Kasumi is characterized by her impatience, as she strongly desires to become a permanent member of the pilot roster rather than remaining in her reserve capacity. This longing to secure a regular spot on the team is her primary motivation throughout the story. While specific details about her personal development arc and notable combat abilities are not detailed in available sources, her defined role as the reserve pilot and her relationship as Kuya's junior establish her position within the team dynamic. Her impatience and ambition to prove herself as a full-fledged pilot shape her interactions and her drive to move beyond the reserve status.