Shoujo Kakumei Utena

From Viz: After young Utena's parents die, she wanders the streets. Just as she's about to drown herself, a prince comes to her rescue, telling her she must grow up to be a brave noblewoman. From that day on, she strives to become not a princess but a prince. Years later, she receives a mysterious rose-crested ring in the mail. Will she meet the prince again?