Absolute Anime

Hey, ok I totally love this anime and I really like the theme song but I can't seem to find it anywhere. Theres very little info for this on the net. but does anyone know the name of the theme song.
Please help

Thanks (in advance)

"Anata no Kiss wo Oshiemasho ~You Were Mine~" by Yuki Koyanagi [Japanese version]
"Worthy of Your Soul" by DJ Milky and b-nCHANt-d featuring Rachel Pollack [U.S. version]