As the night wove on we ended up having a night cap at her hotel. I say hers mainly because she worked there. The publican closed up shop on our arriv...l and bade us a good night. We sat for an hour talking, when Rene' suggest that we take a walk by the river. So leaving the hotel, we walked the 200 meters to the river and started our walk along the bank.The moon was bright that night and the river was peaceful. I held Rene's hand when she stopped and looked at me. I looked at her for a short. "Please Richard, stop. You're hurting me. I'm sorry that I hit your face, really I am, but you have to stop." Why mother? Why do I have to stop?" Then it dawned on me, mom had taken her right hand and moved it under her body and was rubbing on her pussy. I couldn't believe it but I could feel her hand touching my thigh as she rubbed herself. I looked down and could see that her panties had a damp spot right in the middle. My spanking has caused mom to get excited and wet.Her voice was lower. “Oh Max!” her breaths were short and quick, but in between them she still managed to talk, “Fuck me harder Max! Please fuck me harder!”I would’ve loved to have fucked her for longer but I already knew that I was going to cum soon, however that didn’t stop me for ramming her as hard as I could. My head board was banging against the wall because I was trying so hard to give her what she wanted.“I’m gonna…cum,” I mumbled, trying to hold it in longer.“Cum inside me Max! Fill up your sister!” she. When she was young she had had no desire at all to approach, and in the past year or two she had kept her distance as custom required despite a growing curiosity.Her mother noted that with her recent "sin" she had gotten a start on her next task. She was to rub herself until she had that warm feeling, and then work at inserting a finger into her vagina, then work gradually up to inserting four at once. Her first sex would be tumultuous enough that discomfort between her legs would be an.