Jubei Yagyu is a central character in the anime series Hyakka Ryoran Samurai Girls. She is depicted as a skilled swordswoman and the daughter of the legendary samurai Yagyu Munenori. Initially introduced as a clumsy and carefree girl with a dual personality, her demeanor drastically changes when she enters battle mode, becoming a formidable and serious warrior. Jubei plays a crucial role in the series, often acting as the protector of her friends and fighting against the forces that threaten their peace. Her character showcases themes of loyalty, strength, and the struggle between dual identities.