FURVERT!

1:1 anthro balros_(echoen)barlos_(artist)big_penis briefs bulge canid canine clothing duo erection fellatio fox genitals hi_res huge_penis humanoid_genitalia humanoid_penis hyper hyper_genitalia hyper_penis male male/male mammal monochrome multi_genitalia multi_penis multifur oral penile penis rodent sciurid sex shocked sketch surprised tree_squirrel underwear worried