Sphinx Corruption (Patreon)

This week's stream involved some silliness with WWCO while she was also streaming. So after a number of bit attacks I decided I must draw the idea she put into patron stream list.... because I have yet to learn how to buy bits and this was more fun!!!!

Sepi as the avid tail lover attempted to hug Sierra's tail, but unknown to them, her tail has a secret. Once curled into a ring shape, her massive tail becomes an enormous TF ring. Now Sepi is halfway into a sphinx-taur form themself!

Now here's the question. As there's still quite a bit of tail left outside the ring. How big will a sphinx-Sepi's tail be in the end~?