One of the hyped series for this season, spring 2012. Looks quite good. With Sunrise as production studio, I can safely expect stable animation over the series. No clear indication on how long this will be though considering the amount of its LN, I guess half-assed ending should be expected.
And yes, Black Snow Princess (aka Kuroyukihime) makes up 90+% of reason I’m watching this as of currently :>