Shattered Tears (Book 2 of Vampire Angel)

Guilty, the prince of Yacilia who has powers to read peoples minds and other telenicies powers but the side effect of his power is that he creates everyone to be depressed around him. One day he find a locket with a picture of a girl named Yoru and he wants to find her.

Pic by Jeannie Howlett- http://jeanniehowlett.deviantart.com/gallery/