According to Fujimi Shobo, an OVA of Dakara Boku wa, H ga Dekinai.
was announced to be released on March 1, 2013. An anime Blu-ray will be bundled with the fourth volume of the manga
Boku H TV anime official website
Trailer of the TV anime
The first episode of the TV series will be aired on July 6th.
Source: Fujimi Shobo
Dakara Boku wa, H ga Dekinai. OVA