If I hadn't already been cumming, I would have after hearing that. I came so hard, and so much that I felt it already leaking out around my c**k. I'd fill Su's womb as much as possible. If she wanted children, I'd give her as many as I could. I'd never thought of myself as the fatherly type, but I wanted to breed my sister then and there.
Finally, after what seemed like an eternity, Su fell limp, and I had emptied myself inside her. I pulled out gently and kissed her before looking at the mess I made, c*m pouring out of her. She smiled proudly.
"I took my brother's big bull c**k after all, didn't I?"
"You took it well. I'm gonna want more of that tight little pussy."
I noticed that there was a little blood mixed in with our own fluids, which worried me at first. Su looked up at me and
