Rule 34 Dev - 3_toes alternate_species anus backsack balls butt digitigrade erection feet feral genitals hindpaw looking_at_viewer looking_back male nude paws penis perineum presenting presenting_hindquarters semi-anthro simple_background solo spread_butt spread_legs spreading toes roy_arashi roy_(chuki) chuki mammal rodent hi_res|5299040075