Over the next week, Jean and her son Rory seemed to spend every spare minute either fucking, sucking, or fingering each other. Like a broken dam, every ounce of lust in them seemed to pour out and flood their entire lives.

“Penny for them,” Jean said as she looked at her naked son lying beside her on her bed. It had been another frantic bout of fucking, the second that day.

“Penny for what, mum?”

“For your thoughts, babe, because you seemed miles away. You are not growing tired of your mother's old body are you?”

Rory smiled to himself. No one in the world could describe Jean as old. Her forty-year-old body was as trim as someone half her age, firm tits, flat belly, and neatly trimmed pussy.

“God, no, that will never happen. You are the greatest mum anyone could ever have.”

“Well, there must be something on your mind. Come on spill the beans, tell mummy or she won't wank this off anymore,” Jean giggled and tugged her son's semi-hard cock.

“You remember me telling you about Becky, she's in my year at college. Well, we've been sort of seeing each other.”

Jean could feel a familiar itch in her groin. She had wanted to hear her son talk of a girlfriend. Maybe it was a form of voyeurism, the thought of the cock that so often now slid inside her cunt, sliding in a tight teenage one.

“When you say, seeing each other, do you mean fucking?” she asked, looking at the handsome youth lying beside her.

“Just that, kissing and a bit of touching. We haven't gone any further, for... reasons,” Rory coloured up as he saw his mother looking at him.

“Reasons? Rory, I have spent the week or so teaching you to be the best cocksman in your college, and you haven't fucked her yet? Why not?”

“Mum, she is as unsure what to do as I was a week or so ago, before you showed me how to please a woman. She is not sure how to please a man.”

“Do you know is she is a virgin?” Jean asked as she stroked his now hard cock.

“Well, sort of, she has never had a cock in her, but has popped her own cherry with one of her mum’s dildos. She said it didn't hurt and she and her best friend both did it together. She has rubbed my cock, but was so rough it hurt. Didn't make me cum. You do mum, but then you are the best.”

Jean could feel her lust growing, a plan forming in her mind. The thought of not only seeing her son fuck another teenager, but the chance of playing with a young cunt herself was overcoming her natural caution.

“Rory, love, I’ve got an idea. How about you bring Becky here? It's a safe place to be and you won't be disturbed. If, and only if, you think it would help I can guide her in the ways a woman can pleasure her man. That would be up to you, but I am offering.”

“Mum, I think that would be great, and yes, she could watch what we do, and learn from that. I will text her now and set it up.”

“Not so fast, mister. You have a raging hard-on, and I have an itching cunt. How about you fuck your old mum first, then text her?”

Rory laughed and rolled onto his back, his cock standing up like a flagpole, “Oh yes, ride me, mum, tell me what we would do if Becky was here. That will make me cum.”

Jean was only too happy to swing her leg over the teenage cock and impale herself on it. The feel of the hard rod of fuck meat sliding into her made her groan and leaning forward she started to ride her son.

Rory loved his mother to ride him, the sight of her firm tits bouncing, the look of lust on her face, and the tight cunt muscles milking the spunk from his body was his idea of heaven. “Tell me what you would want to do if Becky were here mum, talk dirty to me.”

Until recently Jean would never have dreamed of using filthy language to her son. Now, as they fucked it seemed so natural. Every thrust of his cock brought her closer to her climax. Already she could feel her cunt juices lubricating his shaft as she ground her clit against his cock base.

“Oh babe, I am going to teach her how to suck you, fuck you, and wank you. I will show you how to bring her close and back off. I want to suck both of you. It has been years since I ate out a cunt, and never a teenage one. We are all going to have such fun together. Now bring me off you young cunt fucker, spunk up your mother's wet cunt, shoot your load. You are going to cum twice this session. I have an important lesson to teach you.”

This was enough for Rory to empty his straining balls into the warm, slippery cunt of the forty-year-old woman bouncing on top of him. As he shot his strings of spunk into his mother, he was rewarded by her cunt muscles gripping his cock tight as her body spasming in orgasm on top of him.

“What's this new lesson, mum?” Rory asked as the two lay side by side recovering from their strenuous fuck.

“There will be times when you both want to fuck, but a sucking or fingering won't do. But you have no condoms, so it’s an arse fuck, and you need to learn how.”

“I thought only gay men did that? Have you ever done it, mum?”

“Many times, especially as a teenager scared of getting pregnant. It feels good, honestly, you will love it. But you have to take it gently unless you have a tube of lube with you, which I can almost guarantee you won't. That will be your lesson this evening. Now you have some studying and your old mum has shopping, so get some clothes on and we will continue our sex life later.”

~~~~~~~~~~~

Rory showered and went to Jean's bedroom. The sight of his naked mother laid back on her bed always caused his cock to harden. This evening was no different, and for some reason, she seemed even more beautiful in the soft lighting.

“Think of me as Becky. You both want to fuck, but you forgot the condoms. A suck fuck is not going to cut it tonight, you both need the real thing, so her tight little arsehole is going to have to do. This is what we are going to do tonight, so bring that sexy body over here and I will teach you,” Jean said and rolling over on her belly lifted herself up on all fours.

“Lick me, babe, lick your mum's cunt, lick my clit, work me up,” Jean wiggled her firm bottom as Rory knelt behind her and looked at the moist cunt lips, her hard clit, and the small pink, puckered hole that was soon to be home to his raging hard-on.

“Oh fuck, that feels so good,” Jean groaned as Rory's tongue slid from cunt to clit and back again. She knew that when he was deep in her arse she would need her clit stimulated to cum hard, and had already a plan in mind for this to happen. She was going to adopt a favourite position she had used before Mike, Rory's father had passed away. Now Rory was the man of the house and she felt no guilt at their incestuous relationship.

“Tongue my arsehole, sweetheart, let me feel your warm tongue inside me, make me wet, get me ready for that hard cock of yours.”

He was only too happy to make his mother feel good. For the first time in his life, Rory pushed his tongue into the small, tight hole. In an effort to give her even more pleasure he slid two fingers into her cunt and used his thumb to rub her clit.

The effect on Jean was enough to trigger an orgasm and thrilled her son as he strove to excite her even more.

Reluctantly, she eased herself away from his probing tongue and fingers and reaching up the bed pulled two pillows down and under her belly.

Rory watched as his mother lay across the mound she had formed and could see why she had done it. Her bottom was now raised high while her tits pressed into the bed and more importantly for Jean, her clit rubbed against the embroidered pattern on the pillow, she had often dry humped it when alone and knew the effect it had on her clit.

“Spit on your cock son, get it slippery and fuck my arsehole. Think of doing it to young Becky, she will love it as much as I do. Work it up me, love, make me cum again.”

Rory did as he was told and pressed his saliva glistening prick against the small hole and pressed forward. He felt his mother relax her muscles and the head of his cock slid past her sphincter and into the warm, tight hole.

“Oh God, mum, that is so good. I never knew it would feel like this. It is just like fucking your cunt, but even tighter. I won't last long, need to spunk soon.”

“Then do it, fill my arsehole with your hot spunk, shoot your load up me. Fuck, babe, I'm close, make me cum,” Jean could feel her climax approach as Rory's pounding cock fucked her arse and his weight ground her clit into the pillow.

All too soon Rory felt his cock explode, and his balls empty their contents into his mother’s willing arse. Jet after jet of hot spunk poured into the panting, gasping woman trapped under his thrusting body. A feeling he had never experienced before, one of total dominance ran through him, a feeling he knew he would come to enjoy more as he grew older.

For Jean there was a feeling of submission, one she had experienced before, and craved again, coupled with the hot spunk pouring into her brought the shattering climax she needed.

Rory came harder than at any time he could remember, and collapsed on top of his gasping mother.

For several minutes the two incestuous fornicators lay joined until Rory's cock slowly wilted and slipped from Jean's gripping arsehole.

“That, my love, is the answer to no condoms, remember never take the chance. If the girl concerned won't let you fuck her arse, then suck, wank, and finger each other, young man. I can't get pregnant so you can fill me with spunk as often as you want. Now text Becky and see if you can get her round here tomorrow and let's have some fun together.”

Rory smiled at his arse-fucked mother and reached for his phone.