Release Date: May 2013
Unaired episode bundled with light novel volume 15.
The story follows Issei Hyoudou, a lecherous second-year high school student who is killed by a girl on his first date ever. Issei is reincarnated as a devil, and from that day forward, he serves as an underling of Riasu, a high-level devil who is also the prettiest girl on Issei's campus.
I couldn't find a OVA trailer, but uncensored OVA episodes or specials on Youtube.
I found a Daily Motion link that promotes the second season for this series.
Please see Spring Anime 2013 Trailers Archive Blog for the rest of the trailers. Thank you.
I found it!
Let's hope it stays online long enough for this season.