Going by DVD weekly sales rankings and sales figures in Japan according to Oricon for February 19, 2007 to February 25, 2007
, the Rozen Maiden Ouverture (with Suigintou no Koyoi mo Ennu~i CD) Limited Edition DVD, during its first week of release, sold 10,355 copies.
No other Rozen Maiden DVD has sold at least 9,000 - let alone 10,000 - copies during their first week of release in Japan.
The Rozen Maiden Ouverture Limited Edition DVD appears to be on its way to becoming the bestselling DVD among all Rozen Maiden DVDs
A Rozen Maiden Ouverture Regular Edition DVD also went on sale during the same week.
An anime DVD is widely considered to be a commercial hit in Japan if it sells 10,000 copies.