If Cassidy really seemed against the idea, Eccarius might opt for the femoral artery instead, it being conveniently closeby. But from the looks of things, it's quite the opposite, with his partner seeming quite adaptable as far as kinky vampire sex goes; not altogether unsurprising.

"Neck biting seems a little vanilla under these circumstances, wouldn't you say?" Eccarius flashes a bit of a wicked grin upwards before swallowing him down to the root, mostly caressing with his tongue, although the fangs are definitely still in evidence.