Height: 185 cm
She was the game's last boss, murdered by her fiancé after duping the protagonist. She has the extreme opinion that the aristocrats are the only group that is important and that the ordinary person is only a pawn. While she gets frustrated by Natori's meddling, she plans on using Diana's power to further her own ideals.
She is the fiancée of Gran Magnaresk, the first prince.
