thefurryzone: knotting!!! Now I can see the origin :P-Lucy <3(source:e621.net)
tags: Outsider's Den (porn blog), furry,knot,tying,internal,x-ray,creampie,mating,breeding,fertilization,impregnation,image set,
from: https://outsidersden.tumblr.com/post/123774419079