After starting the day with some incestuous fantastic family fucking, mum and I decided to head out to do some shopping. Mum and dad's visit had been a surprise and mundane as it was, I didn't have enough food and other groceries in the house for three.
It was another lovely day so for me to wear mum picked some light shorts, without underwear, and a T-shirt. She had a form fitting sheer white bustier, her tits and especially her coral pink nipples were clearly visible so she added a red shrug. Her floaty red dress matched the shrug was very light and only about mid thigh, so a gust of wind would easily flash her ass.
Dad took the chance to get some more rest that morning to recharge his batteries and testicles, and we left him lazing in the sun.
My car was automatic so as we got in mum hitched her skirt up and pulled my hand over to her cunt. I soon got a another hard on from the thrill of fingering and fondling her. I slipped my cock the leg of the shorts for comfort and the hope of some sweet motherly attention, but without luck. She guided my fingers away from her clitoris to stroke her labia, I guessed it was lower intensity for her, rather like me edging by stroking the shaft not the head of my cock.
We chatted as I drove, mum wanted to keep some stuff private from dad. She had found her libido was increasing and for the first time she felt out of synch with dad which had been getting frustrating recently. Then we had started chatting on the phone and she had used that as an outlet and fantasised about having me to help meet her sexual needs.
I was delighted to say I would help anyway I could. One advantage of starting a family young is they were off on their own when I was still young. My beautiful was now a perfect sexual partner for me, she couldn't conceive and with dad we could fully explore our bisexuality.
Indeed, mum replied, dad was very excited to do that and she felt it had been something he had been suppressing too long. She admitted she had "sucked her teeth" when dad had floated the idea of him having sex with a guy a while back. Mum was getting a huge thrill out of watching us making love, and also being watched by the other when one of us was fucking her.
As I pulled into the supermarket mum pulled her dress down and slipped my cock back away, although I had a distinct bulge in my shorts. As I was parking she asked if perhaps first we went to a cafe, we only had a few biscuits for breakfast. I drove round the town to my favorite place, a lovely cafe I had used for years we stopped there for an early lunch.
It wasn't busy yet so mum ditched the shrug and in a window seat honestly in the sun her top was deliciously see through. It was such a thrill to be sat by mums side when she looked so wonderfully sexual like that, bold and confident with her body. It wasn't busy yet but the poor guys around with their ladies were all getting elbows in the ribs or made to turn away. It was clear mum thrilled to the attention she was getting and she admitted dad wasn't quite so comfortable with her exhibitionism.
Well I was, we cuddled together and kissed passionately. Under the heavy shade of the table she guided my hand up her dress to stroke her rampant clitoris. She bit my lip with the sexual stimulation and was really simmering in the thrill of the moment when the waitress came up for our order, I pulled my hand from mums cunt but she held it there, her fingers guiding mine on the shaft of her engorged clitoris. Not that she was the only one erect, my cock throbbed painfully.
We spent the time on the cafe with mum simmering on the cusp of orgasm, we were both relishing being sustained in such a state of high arousal in public. When we eventually went back to the supermarket mum dragged me to the baby changing room, locking the door behind us.