Original Title: 魔姫ブラッディマリー-深淵の魔王と奈落の姫君-
Romaji: Mahime Bloody Mary -Shinen no Maou to Naraku no Himegemi-
Release Date: 2010/08/07
Company, Producer: Studio Oguma
Getchu/DLsite link: http://www.dlsite.com/maniax/work/=/product_id/RJ065498
Additionally you can add the VNDB link...