Also known as: 黒羽るう, るう, みゅうるう
A main character in Princess Tutu. A skilled Ballerina and partner of Mytho (Princess Tutu). Alter ego of Princess Kraehe, revealed to be the daughter of the titular villain raven of the story from whence Mytho came. Later shown to have been a normal girl, taken by the raven in her youth, and eventually saved by Mytho. Ahiru (Princess Tutu) befriends her, despite their differing status.
