Weser, formerly the Hipper-class heavy cruiser Seydlitz, is a ladylike Kansen with a proper demeanor. Known for her considerate and well-mannered nature, she always prioritizes her commander's well-being. Though she feels different from her sisters due to her conversion into an aircraft carrier, she values her familial ties and respects them deeply. Weser yearns for companionship and physical and emotional intimacy with her commander, employing skillful, ladylike flirtation to win them over.