rule 34 2021 2boys anal anal fisting anal juice anthro anthro on anthro anus ass backsack balls baseball cap beard big muscles black penis bodily fluids brown body brown fur brown nose brown penis canid canine canis clothing cum cum on ground cum on own penis cum on penis cum on self domestic dreadlocks duo ejaculation erection eyebrows facial hair facial piercing fisting foreskin fur gay genital fluids genital piercing genitals grey background grey body grey fur grey nose hair hands free hat headgear headwear hi res humanoid genitalia humanoid penis hungrypaws lube lube in ass lying male malemale male on bottom male on top male only mammal muscular muscular anthro muscular male nipple piercing nipples nude on bottom on front on top pecs penis penis piercing perineum piercing prince albert piercing red eyes sex simple background smile sweat tuft wolf yaoi yellow eyes 5400510