Princess D (Crystal)
Princess D has short brown hair and wears large glasses, not unlike Umino's. When her glasses are off, she is shown to be very beautiful.
Princess D appeared in episode 4.When she was alone and commenting how everyone only cared about the secret treasure and that it was more important than her. Nephrite than used a youma to possess her and steal the Silver Crystal. After she was freed from Nephrite's influence, she woke up confused, wondering where she was and where her glasses were, while the Sailor Senshi fled from the scene. Later she was last seen revealing the special treasure, a statue of D's first queen, carved in diamond.