Rule 34 Dev - 1boy after_sex anthro anus ass backsack balls berngruff bodily_fluids body_hair bulldog butt_hair canid canine canis cum cum_in_ass domestic_dog facial_hair feet floppy_ears furry genitals hi_res kneeling looking_back male male_only mammal mastiff mature_male molosser moustache offscreen_character pawpads presenting presenting_anus presenting_hindquarters rear_view short_tail solo sweat tail tail_motion tailwag tongue tongue_out|8720257296