Oh, I can see where this is going. You're trying to feminize people as if there weren't already a lot of holes.
Already done with Silwith and all the horses and cows?
Well, then maybe it's time for you to step up your game.
If you
really are up to fucking every hole (which I doubt!) then maybe you should give this one a try:
Aside from that, it is kinda a shame that there's pratically no bestiality games featuring femboys. It's one of the big crimes of humanity.

What's wrong with corrupting femboys into becoming bloated horsecumholders?