CD Japan have been advertising to me:
LHCM-1031
ALI PROJECT/TV Anime Kamichaka Marin Intro Theme: Ankoku Tengoku CDA
1143 yen US$10/118.19 Release Date:2007/05/23
Description:New single release from Ali Project and theme song to the anime series
"Kamichama Karin" based around the theme of angels.
LHCM-1033
ALI PROJECT/TV Anime Kaibutsu Ojo Outro Theme: Hizamazuite Ashi wo Oname CDA
1143 yen US$10/118.19 Release Date:2007/06/13
Description:New single release from Ali Project and outro theme to the anime series
"Kaibutsu Ojo."
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Kamichama Karin is based on a manga by Koge Donbo (Digi-Charat etc)
Kaibutsu Ojo...I don't know anything more than looking at the official site, there.
Both series start soon...!