I smile and she just moans louder still at the thought of being overheard. Between the build-up and the pace, both of us cum quickly together and then I collapsed on top of my tiny sister.

After I catch my breath, I roll off her. "That was probably the best fuck I have ever had young lady. If you ever leave your brother I wouldn't mind fucking you some more."

"Thank you, but he is my one and only. We have a deal, right? You're not gonna arrest him right?"

"Well, it would be pretty hard to arrest myself, Sis." We laugh and hug tightly enjoying the bliss we have...