According to Anime Fes. VS official website, the details of the new short OVA "Norageki!" were announced. The OVA will be shown at the festival on January 22nd 2011.
Norageki! official website
Director: Ando Hiroaki (CGI director of "Freedom
Scenario: Sato Dai
Charcter Design: Gotsubo Masaru
Mecha Design: Yamane Kimitoshi ("Mobile Suit Gundam Seed
", "Cowboy Bebop
Production Studio: SUNRISE
The story takes place in a isolated prison. A pleasant young man, a sexy woman, an ex-soilder middle aged man, an otaku girl, a mysterious old man and a cat are confined there. One day, they get freed after a blackout. Strangely, all the prison guards have disappeared and they cannot find the exit. Suddenly an extraordinary event occurs in response to the old man's weird behavior.
Source: Anime Fest VS