Rule 34 Dev - anal anthro anus balls butt clothed clothing erection femboy fur genitals goo_transformation hair knot knotted_penis looking_at_viewer male nude penis presenting presenting_anus presenting_hindquarters purple_goo slime sludge smile solo transformation gimpis canid canine mammal 4:3 absurd_res digital_media_(artwork) hi_res|23023255325