Sounds like it's from the POV of a transhuman or extraterrestrial vampire. "Be my prize" and "give me life" addresses the prey. "I'm infinite beyond a doubt" indicates being way-more-than-human, and "not a sinister heart, but a mind at peace" suggests some sort of mental transcendence. "To wake up our species" means either to begin an uprising and conquest of the world by the human race's successor.
Sounds like it's from the POV of a transhuman or extraterrestrial vampire. "Be my prize" and "give me life" addresses the prey. "I'm infinite beyond a doubt" indicates being way-more-than-human, and "not a sinister heart, but a mind at peace" suggests some sort of mental transcendence. "To wake up our species" means either to begin an uprising and conquest of the world by the human race's successor.
See http://www.urbandictionary.com/define.php?term=NoR4U for a definition of "No R 4 U," which suggests that the source, if there is one, is a video game.