Rule 34 Dev - 2015 anthro black_and_white canid_humanoid canine canine_genitalia canine_penis collar cum cum_in_mouth cum_inside darkgem dasa deep_throat demon devil_dog ear_piercing fellatio fur group hair horn knot looking_up male male/male mammal monochrome oral penis piercing saliva sex spiked_collar vein yaoi|2128205648