Rule 34 Dev - 2018 all_fours animal_genitalia anus ass balls belly blue_skin blue_tongue deessel dragon english_text erection feral fur horn knot looking_at_viewer looking_back male male_only nude open_mouth penis presenting presenting_anus presenting_hindquarters quadruped rear_view rime sheath sign smile solo spikes text tongue tongue_out white_fur yellow_eyes|3218103536