I start fucking her in from behind. But this time since I know she took it in the ass already I start fingering her ass slowly getting two fingers in...o it and rubbing my dick as i fuck her. She's loving it. I tell her I want to fuck her in the ass. She says "YES! but go slow" I tell her to beg for it. "Please oh please put it in my ass" she says. "Tell him that you want me to put it in your ass" I replied. He left the room at some point again so she yell "Baby I want him to fuck me in my. I waited a bit and then decided to get up.I walked around a while, I had been there for two or three hours already, it was after four in the morning. I went into the bathroom to piss, no one was in there. I debated just bending over in front of a urinate or squatting between them, but I still did not know what the watersports rule was so I just got hard thinking about it but did not linger. I took a dip in the pool, it is so refreshing to swim naked. I wish I had a private pool (or a whole. Mum had changed into her nightie earlier as she wanted to be comfortable after a long day. It was coming to the end of winter and as we snuggled together watching some movie, Mum had her arm around me and was lightly stroking my hair. It felt nice. I have always been close to Mum, being an only child will do that. As such, I never wanted for affection and it all seemed perfectly natural. As they do the movie eventually ended. Mum suggested I join her in bed and as it was cold I agreed. Its been. She moaned in pleasure. She felt my cock growing harder in my pants as it presses urgently against her most sensitive spot. Moving her hands to the button of my pants, she slided it free from the hole and gripped the zipper with her fingers, slowly sliding it down. She reached inside and touched my cock, it's hardness throbbing against it's confines.Taking my hands from her tits, she reached down and grasp the waist band of my pants, and with her still atop my lap, she lifted my hips and slide.