Mu-Mao is a Chinese master archeress who serves as one of the eight elite warriors of the Ming dynasty operating under the command of Bai-Luan. She is a woman of Chinese origin, with brown hair and brown eyes, and her age is not specified in the story. Her background is rooted in her service to the Ming as part of a select group dispatched to Japan on a mission for their emperor. Mu-Mao is motivated by a clear and practical goal: to complete the task for which she and her companions were hired so that she and her older sister, Mu-You, can return home. This shared objective defines her role in the narrative as a capable and focused member of the Ming contingent, fighting alongside her sister in pursuit of their employers directive. Her relationship with Mu-You is central to her character, as the two sisters fight together and share the same aspiration of finishing their assignment and going back to their homeland. Her primary notable ability is her skill with a bow, as she is identified as a master archeress, which makes her a formidable ranged combatant within the group of elite warriors. She does not undergo significant personal development over the course of the story, remaining a steadfast and dutiful soldier whose actions are driven by her loyalty to her mission and her bond with her sister.