[he arches his back, rubbing his cock against your belly as you thrust into him and baring his throat, his thighs trembling as your jaw scrapes along his and your teeth catch at his skin, a low moan trembling in his throat as he writhes a little against you.]

[he's probably going to have bruises where your fingers are pressing and he doesn't care--he just tilts his head down and cups your face, looking down at you and tightening his body around you again hard, watching your expression intensely before he leans in to kiss your mouth hard, his teeth tugging at your lower lip]