Princess Tutu

Princess Tutu follows Duck, a duck who is transformed into a young girl and begins taking ballet at a private school. She becomes fascinated by her enigmatic classmate Mytho and transforms into Princess Tutu in an effort to mend his broken heart. Mytho's girlfriend, Rue, transforms into Princess Kraehe to hinder Tutu's progress, while Mytho's protective friend Fakir discourages him from developing feelings. As it becomes clear that Duck, Rue, Mytho, and Fakir are fulfilling the roles of characters in a story written by a long-dead author named Drosselmeyer, they resist their predetermined fates and work to prevent the story from ending in tragedy.