FURVERT!

absurd_res aiofluff animal_genitalia anthro balls biceps canid canine canine_genitalia canis digital_media_(artwork)domestic_dog forearm_muscles fully_sheathed fur genitals german_shepherd hair hand_behind_head herding_dog hi_res looking_at_viewer male mammal muscular muscular_anthro muscular_male navel nude obliques pastoral_dog pecs red_body red_fur red_hair sheath simple_background solo stocky tail v-cut