Vampires and demons rule,while the humans are at the bottom.Sasuke,a stoic vampire prince meets Sakura,a kind hearted slave.He forms a bond to her that drives his senses wild with hunger and passion.Her beating heart keeps him alive;she's his life line.

Sakura gets a rude awakening when after a bad misssion she realizes she has feelings for her Sensei, but when she finally has the courage to tell him, his reply is not what she expected. Summary sucks...read if you want.