Mao is a supporting character in the One Piece Jidaigeki Special Luffy Oyabun Torimonocho, a feudal-era alternate universe story. She works as a waitress at Onami's restaurant and is known for her kind and hardworking nature. Mao genuinely cares for her friends and is always willing to help others, as demonstrated when she assists in efforts to make the Pinwheel Eatery portable shrine team succeed in a race. Despite her boss Onami's frequent protests, Mao shows her generous side by giving food to Luffy whenever he asks. Her primary motivation appears to be supporting those around her and maintaining a helpful, friendly attitude. In the story, Mao acts as a minor ally, providing nourishment and moral support to Luffy and his companions. Her key relationships include her employer Onami, with whom she has a respectful but occasionally conflicting dynamic due to her tendency to feed Luffy against orders, and Luffy himself, whom she treats with warmth and hospitality. Mao does not undergo significant character development over the course of the special, remaining a steadfast and cheerful presence. She possesses no special combat or supernatural abilities, relying instead on her diligent work ethic and compassionate nature to contribute to the events around her.