Lirin (李厘 Ririn) is the young energetic Youkai Princess. She is the daughter of the Ox-King Gyumaoh and one of his mistresses, Lady Gyokumen Koushu. Her older half-brother, Kougaiji, loves her dearly despite the fact she is a constant reminder of his father's infidelity to his wife and Kou's mother, Ratsetsunyo. She is part of Kougaiji's group that challenges the Sanzo Party and demanded that they hand over the Maten Sutra