Anime
In the anime series Revolutionary Girl Utena, which is heavily concerned with the symbolism of roses, the black rose represents the dark side of a person's soul. The Black Rose Duelists are the friends of the series' protagonists who have been turned against them by their ignorance, selfish desires and passions that were carefully amplified by a mastermind psychologist, a student named Souji Mikage.
In the anime series Ranma ½, Kodachi Kuno, sister of Tatewaki Kuno, is nicknamed 'Black Rose'. She is an arrogant, childish, cunning, and occasionally psychotic young girl who often has black rose petals trailing behind her as she leaps.
In the anime/manga series .Hack, one of the female characters is named BlackRose. She is a video game avatar (visual representation) of a human girl (Akira Hayami) in the game The World.
Read more about this topic: Black Rose (symbolism)