BD · DVD · HD-DVD Collection

The digipack has this nice artwork of Kirishiki Seishirou and Chizuru on the backside.

And here is a picture of the whole set: Slipcase and special booklet #6, below that the open digipack with the audio CD "Croix" on the left (6 Tracks, 15m48s) and the BD on the right. Below that the Tatsumi (辰巳 / たつみ) illustration card, and character message card.