Blücher is a Hipper-class heavy cruiser Kansen of the Iron Blood. Hyperactive and cheerful, she has a deep affection for the commander. Her genki and lively personality, combined with her teasing nature and dedication, make her stand out among her sisters. Despite her ditzy demeanor, Blücher is a high-strength girl who loves and admires the commander deeply, always eager to please and go on dates. She yearns for genuine affection and companionship from her commander, as well as intimacy.