According to Bessatsu Shonen Magazine, Kumeta Koji’s manga “Joshiraku” was announced to get an anime adaptation.
Joshiraku manga official website
It’s about girls’ talk in the greenroom of a Rakugo stage.
Source: Scan of Betsumaga
Update on April 1st
StarChild Records announced at Anime Contents Expo 2012 that the production studio is J.C. Staff.
Joshiraku anime official website
Source: Picture of the announcement
Joshiraku on MAL