Forbidden Lust for the Vampire

A werewolf is sent to assassinate two vampires who have recently settled in his pack's territory. But when he sneaks into their mansion and sees them engaged in depraved sexual acts, he finds himself curiously aroused... and even moreso when they spot him, pin him down and demand an explanation! Warning: for adults only! Contains explicit content (m/f/m menage, bdsm, oral sex, a sharp whip)