Lust for Love or for Blood (Book 1)

Ichigo is a hunter, Shiro, a vampire. The two met as young kids, and always stuck with each other. But as they reached 18, Shiro began to kill people, and Ichigo started hunting vampires. Both begin to hate the other, but one night, Shiro does something that surprises Ichigo. Will the two be friends again, or much more.....