Historically she was known as the lover of Xiang Yu. In Type-Moon lore she is an immortal hermit, a species of natural spirit and a vampire similar to True Ancestors like Arcueid Brunestud. Since she's been ostracized by humans for millennia for being a vampire, she greatly hates mankind. She also deeply despises Koyanskaya because she witnessed Daji, another incarnation of the Great Fox, bring down an empire.
She has three different appearances, depending on her Ascension level:
