Though there was a post about this before, but I'll mention it again :P with some staff info.
The eroge (ero-game) Saishuu Shiken Kujira
(最終試験くじら) by CIRCUS will be getting animated.
Director & Series Composition: Miyazaki Nagisa
Character Design: Satou Hisako
Animation Production: ZEXCS
CIRCUS is the creator of the D.C. (Da Capo) games.
CIRCUS's site (NSFW):