rule 34 1boy 2015 4 toes 5 fingers animal genitalia animal penis anthro anus backsack balls black fur black markings black nose blue penis blue tongue canine canine penis claws collar digitigrade dipstick tail english text erection etuix facial markings fluffy fluffy tail fox fully sheathed fur gloves marking green eyes heart hindpaw knot looking at viewer male male only mammal markings model sheet multicolored tail nude open mouth paws penis red fur sheath simple background smile socks marking solo standing text textured background toe claws toes tongue tongue out watermark white fur zoru 2066121