O-Toyo
O-Toyo is from Japan. She could take the form of a human or a leopard. She killed a courtesan to steal her face, body, and memories and used this form to seduce a Prince named Hizen. She gradually drained his life force until she was discovered by a samurai named Ito Soda, who then killed her.
Citations:
Maberry, Jonathan. Vampire Universe: The Dark World of Supernatural Beings That Haunt Us, Hunt Us, and Hunger for Us. United States, Kensington Publishing Corporation, 2006.