2017 5_fingers anal anal_penetration anal_sex arm_hair ass balls beard body_hair bruteandbrawn canine chest_hair duo facial_hair fangs grey_background hairy humanoid humanoid_on_humanoid humanoid_penetrated humanoid_penetrating_humanoid humanoid_penis male male_penetrating mammal muscular muscular_male navel nipples nude pecs penetration penile_penetration penis penis_in_ass sharp_teeth sideburns simple_background stomach_hair teeth uncut vampire were werewolf yaoi