rewatchng UtaPri wih my sister made me seek out some (live-action) singles done by our fave seiyuu Miyano Mamoru and I found this:
I think the title is Identity. I really like the theme. reminds me of sengoku period anime, ninja, tomoe (of kamisama hajimemashita) and chikage kazama (hakuouki).
also, I found a promo vid for drrr