Rule 34 Dev - anthro anus backsack balls biped butt butt_heart erection femboy fur genitals grey_body grey_fur half-closed_eyes looking_back lying male narrowed_eyes nude on_front penis penis_backwards smile solo tongue tongue_out xxmidknightxx xander_(ajp) canid canine canis fox hybrid mammal wolf 2016 hi_res monochrome|4486662985