Diamond/Over the Clouds

"Diamond/Over the Clouds" is a double A-side released by Chinese singer Alan. It was released in three different versions: a CD+DVD edition, a CD only edition, and a limited CD only edition. The ringtone is distributed since Jan 12, 2010, and CD is released from avex trax at Feb 3, 2010.
"Diamond" was used as the ending theme song for the NTV anime Inuyasha Kanketsuhen, while "Over the clouds" was used as the opening theme song for the PSP game God Eater.