Courtesan Spy and daughter to the (late?) Fu Manchu. During Noodles of Fu Manchu she won control of the Si Fan, her father's organization. Her brothers, Fu Li and Fu Sen, are still in the organization.
There are some shticks she is willing to trade.
She has a position as an Imperial Concubine, and seems to consider Shuyan a protege.
Her real name is Fu Lo Sui, according to Ando.