C157 Early Appearance

Yao Mulan was also one of the supporting roles in the book. However, the book didn't appear that early as it would only appear in the later stages. Why did it appear now? Could it be that it was due to the change in the situation that the other supporting role appeared earlier?

Yao Mulan's character was not as good as Hua Mulan's. Hua Mulan was a true hero who had gone through a lot of battles