FURVERT!

1:1 2013 5_fingers 5_toes abs abstract_background anal anal_penetration animal_genitalia anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro ass_up ball_tuft balls biceps biped black_balls black_body black_claws black_fur black_hair black_nipples black_nose black_penis black_tail bound brown_body brown_fur brown_tail canid canine canis claws collar digital_media_(artwork)domestic_dog dominant dominant_male duo ear_piercing facial_piercing feet fingers floppy_ears from_behind_position fully_sheathed fur genitals green_eyes grin hair hands_tied holding_leash holding_object industrial_piercing kneeling larger_dom larger_male leash leash_pull lip_piercing lip_spike male male/male male_penetrated male_penetrating male_penetrating_male mammal mastiff molosser multicolored_body multicolored_fur multicolored_tail muscular muscular_male navel nevarrio nipples nose_piercing nose_ring nude on_one_knee open_mouth pecs penetration penile penile_penetration penis piercing plantigrade quads ring_piercing rottweiler septum_piercing sex sheath sheathed_while_penetrated simple_background size_difference smaller_male smaller_penetrated smile snout spiked_collar spikes submissive submissive_male tail taoren teeth toe_claws toes tuft two_tone_body two_tone_fur two_tone_tail xander_(kamakazi32)yellow_eyes