Jiuyue Bai is a key character in the Chinese animated series Fei Ren Zai (非人哉), which has also gained popularity in Japan. He is based on the mythological figure Bai Jiuyue, a white fox spirit. In the series, Jiuyue is depicted as calm, wise, and gentle, often offering support and advice to other supernatural beings. His role is that of a caring friend and mentor, helping others navigate the challenges of living in the modern world while balancing their mythical origins.