First episode by Ryo:
http://bt.ryoumi.net/%5BRyo%5D_Tokim...5D.avi.torrent

Be aware that there's an OVA from a couple of years back, so be careful with spoilers. I'm not sure at this time if this is a prequel, sequel, or just a remake.

http://anidb.info/perl-bin/animedb.p...anime&aid=4384
http://www.konami.jp/visual/tokimemo-anime/