Rule 34 Dev - abs anthro balls biceps big_balls big_muscles big_pecs big_penis bodily_fluids canid canid_demon canine canis claws cum daru_brek demon erection exercise expansion flexing fur genital_fluids genitals growth hellhound horn huge_balls huge_cock huge_muscles humanoid_genitalia humanoid_penis hyper hyper_balls hyper_biceps hyper_genitalia hyper_muscles hyper_pecs hyper_penis looking_at_viewer male mammal muscular muscular_anthro muscular_male nipples nude pecs penis smile solo vein veiny_penis wings workout|7553717032