FURVERT!

16:10 abs anal anal_fingering anthro anus back_muscles backsack balls barazoku barbell big_balls big_bulge big_muscles bodily_fluids bulge butt canid canine canis clothed clothing crouching dialogue domestic_dog drooling duo english_text equid equine erection erection_under_clothing exercise fingering fingering_partner genital_fluids genitals greyscale hi_res hooves horse huge_bulge huge_muscles jockstrap knot knot_under_clothing laser_(artist)leaning_over male mammal monochrome muscular muscular_anthro muscular_male navel nipples pecs perineum precum precum_through_clothing profanity puffy_anus saliva saliva_string sex sexercise simple_background tenting text tongue tongue_out underwear weightlifting wet wet_clothing widescreen workout