Maochao is a Busou Shinki character known for her cat-like design and playful, energetic personality. She is one of the Shinki models featured in the franchise, appearing as a small combat android companion with feline traits and a mischievous charm. In the series, she serves as a supporting character and combat partner, often contributing a lively, cute presence while also participating in battles and interactions with her owner and other Shinki.