It is completely self-created and independently set by Lang Yi. The subject is Wu Yi: there are three types of Wu Yi, the lowest is Military Yi, the second is Baoyi, and the highest is Female Yi. The white wolf has the highest status in the whole society, the gray wolf is a poor person, and the black wolf is both a recipient and a martial artist.
Gray wolves and black wolves are not qualified to choose their own mates. All noble white wolves choose beautiful partners.
Intention: fun