According to the official website, an OVA of Nekogami Yaoyorozu
was announced to be released on March 21, 2012. A short flash anime
will also be bundled with the first volume of the Blu-ray & DVD. The first episode of the TV series will be aired on July 9th.
Trailer of Nekogami Yaoyorozu
Source: Nekogami official website
Nekogami Yaoyorozu OVA