[ his groan sounds like a growl again when she contracts around him and his next thrust is angled just a bit differently, trying again to see what sorts of noises she'll make, his head tucking down so he can scrape his sharp canines against her neck -- like he's about to bite down.

in fact, he does, not replying to her quite yet as his teeth sink into the crook of her neck, sharp enough to easily break through skin as he fucks her. ]