Rule 34 Dev - animal_genitalia animal_penis animated anthro balls bernese_mountain_dog black_nose blowjob canine canine_penis close-up closed_eyes deep_throat deepthroat deepthroat_smile doggadee duke_corgi duo erection faceless_male fellatio fur genitals irrumatio knot knotting male male_penetrating mammal multicolored_fur neck_bulge no_gag_reflex open_mouth oral oral_knotting oral_penetration oral_sex penetration penis penis_in_mouth relaxing ruska sex simple_background teeth throat_barrier throat_bulge throat_penetration tongue tongue_out tongue_out_blowjob upside-down white_background yaoi|3265379104