Rozen Maiden: Ouvertüre is a special anime that premiered in winter 2006, produced by Nomad.

About the production: the story comes from a manga, there are 2 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, comedy and drama, with themes such as Magic, Female Protagonist, Primarily Female Cast and Urban Fantasy.

On AniList, Rozen Maiden: Ouvertüre has an average score of 74%, a good score, and appears on 10,018 users' lists.

When Jun buys Shinku a brooch, she refuses to accept it at all costs. Souseiseki then confronts Jun with the reason for Shinku's behavior. The tragic story of Suigintou is told, with the revelation of why her hatred for Shinku could last throughout centuries. Note: This OVA has some spoilers of Rozen Maiden: Träumend, the second season of Rozen Maiden. These episodes fall chronologically between the 5th and 6th episodes of Rozen Maiden: Träumend, but might spoil later revelations.

Official synopsis from AniList.