Little help?

[Aleolus]

Hey. Can you all help me out a little? I'm trying to find a place where I can purchase and download the full version of the opening theme for a series called Usagi-Chan de Cue. I believe the song is called Cha Cha Fantasy, though I'm not positive on that. For those of you who would like to hear it, you can find the opening here, though I will post the warning that it is NSFW, including upper female nudity, and there is a moment where it shows a naked female from behind right at the start.