Sybilla is 18, she has blue hair and pink eyes. She wears a black leather suit. She's a crazy girl in the mental hospital of Livrenia, but she believes she's a prisoner in a haunted castle. She sees the psychiatrists as evil guards and other crazy people as prisoners. She believes her best friend and cell-mate Elaine Lavigne (who's schizophrenic) can talk to ghosts. Sybilla is a yandere, obsessed with Elaine. Sybilla thinks her parents got killed by monsters and seeks revenge.