FURVERT!

1:1 2013 5_fingers all_fours anal anal_penetration anthro artist_collaboration ass_up athletic bdsm black_body black_fur black_nose black_tail bodily_fluids bondage bound brown_body brown_fur brown_tail canid canine canis clenched_teeth collar cum cum_in_ass cum_inside digital_media_(artwork)domestic_dog dominant dominant_male duo ear_piercing facial_piercing fingerless_(marking)fingers floppy_ears from_behind_position fur genital_fluids green_background green_eyes grey_body grey_fur grey_tail grin hair hand_on_butt hands_tied hi_res holding_leash holding_object inner_ear_fluff jathiros_(artist)kneeling leapfrog_position leash leash_pull lip_piercing lip_ring long_tail male male/male male_penetrated male_penetrating male_penetrating_male mammal mastiff molosser multicolored_body multicolored_fur multicolored_tail nude penetration piercing restraints ring_piercing ritsukaxan rope rope_bondage rottweiler sex short_tail simple_background smile submissive submissive_male tail teeth tharis tuft two_tone_body two_tone_fur two_tone_tail white_body white_fur white_hair white_tail wolf