Any time we had the house to ourselves, we ended up having sex in any room at all hours, so on those nights Didi's pussy was often a bit sore from the repeated pounding it had willingly taken. In that case, if she won our reading game, her choice would be a slow sweet missionary fuck. It was priceless to lose track of time while making love to my little sis, sliding gently inside her while kissing her, my hands roaming all over her smooth skin, her legs wrapped around my back as I moved in her, drowning in her big soulful brown eyes.

On the other hand, if Mom...