FURVERT!

2013 abs animal_genitalia anthro athletic balls bdsm biceps big_muscles big_penis biped black_body black_fur bondage bound bovid bovine cattle erection flexing fur genitals horn humanoid_genitalia humanoid_penis kenailykos lykos_(kenailykos)male mammal muscular muscular_anthro muscular_male nipples nude pecs penis presenting red_eyes rope sheath solo standing submissive submissive_male tail teeth thick_penis vein