Rule 34 Dev - 2017 anthro balls blush canine canine_penis collar deep_throat disembodied_penis english_text feline fellatio fingers_in_mouth fingers_in_throat gag gagging good_girl kaitty kaittycat knot knotting male male_only mammal oral oral_knotting oral_sex penis sex simple_background sketch solo_focus surprised text throat_barrier throat_bulge throat_fingering throat_training tight_throat tongue tongue_out|2554748832