妹のアナル調教シミュレーター

"Oniichan. You can do it in my butt. Just don't put anything weird inside, ne?"
Spread the rusty brown ring of a virginal imouto, experiment with what feels good.
"Oniichan... that's too big to fit..."

Choose your toy. Cram it up her anus. Split that hole. Train her to obey. ??? Profit!