I was in my early twenties and I had some professional exams to take. I knew I'd never be able to prepare for them in the chaos of the flat I shared with a couple of other guys. So I took the opportunity of my parents being away on holiday abroad for a week to revise in the quiet and solitude of their house.
After a morning's hard studying in my bedroom I needed a break. Also I hadn't had sex with my girl friend for over a week and I was getting frustrated. I needed to jerk one off and decided to treat myself to a long leisurely wanking session. I stripped naked and had an idea for making things more exciting.
I went to my parents' bedroom and rummaged through my mother's panty collection in her lingerie drawer. I've always gotten a sexual thrill from playing with women's panties. I found a tiny peach coloured satin thong with lacy sides and very feminine little decorative bows at the hips. The soft smooth satin felt so erotically exciting as I ran it through my fingers. I put it on and examined myself in the wall mirror. It looked minute on me. My straining erect penis forced the the tiny satin panel at the front out in a big bulge so my pubic hair peeped out at the sides. It was so small half my straining erect cock poked out above the waistband and the back was just a thin gusset that nestled deep between my bum cheeks.
I'd also discovered my parents' "private album" of raunchy pictures my father had taken of my mother. They started with Polaroids of her sprawling nude aged around twenty a student study bedroom. They ran through through their early marriage, including photos on nude beaches. The most recent pictures showed her as the woman in her forties she is now in kinky nude poses around our house. I guessed my father printed them off on their digital printer.
Some pictures showed my father with my mother; masturbating over her, with her hand round his cock being hand jobbed, and in almost every sex position I could imagine. I knew my father had an expensive camera and I guessed he'd set it on a timer or remote. My mother still has a good figure and the pictures of her in her twenties and thirties showed she'd been a sex bomb with long blonde hair, big tits and fantastic legs.
I'd masturbated lots of times over that album and I borrowed it for my masturbation session. I also knew where my father kept his Viagra tablets. I knew he wouldn't notice one missing so I took one. I don't need Viagra but it gives me fantastic erections. I soon began to feel its effects as my penis strained like an iron bar and felt stiff enough to snap.
I was on my bed wearing my mother's thong, browsing penis-straining nude pictures of my mother and fingering my cock and balls through the thin smooth satin. I was working myself to the absolute peak of erection stiffness ready to jerk my first one off. Suddenly the doorbell rang. I uttered a string of expletives hoping the visitor would go away, but the bell rang again persistently. So I quickly wrapped a bathrobe round myself and went down, intending to tell the visitor I'd been just about to take a shower.
I opened the door. In our porch was Debbie, one of our near neighbours. Debbie's a woman about my mother's age. She's kept her good looks, always keeps her dark ear length hair perfectly styled and she's maintained a good figure at the same exercise class my mother goes to. Debbie was in a loose fitting floral cotton button up the front summery dress ending just below her knees. Her legs below her dress were bare and she was in white sandals with her red-painted toenails poking through.
"Hi," Debbie started. "You're by yourself aren't you? I've got nothing on under this dress. Do you want to take it off me and have some fun?"
I was momentarily taken aback. As if to encourage me Debbie stepped a sandalled foot up onto the shoe rack in our porch and smoothly pulled her dress up bare thigh giving me a momentary peep of her dark bush of cunt hair. I felt as if an electric shock had hit me. I'd heard all about her recent divorce from my mother. I guessed she was sexually frustrated like me and knowing I was at home she'd come looking.
"Why the bathrobe at this time of day?" Debbie asked with a mischievous smile as if she'd already guessed I was up to something.
Before I could spin my story that I'd been about to take a shower, Debbie reached out and playfully pulled the lower part of my bathrobe open. She saw instantly I was wearing my mother's little panties with about half my erect penis poking out above them. Her smile became a grin.
"You're being a naughty boy, aren't you, playing with your mother's knickers! Does a naughty boy want to play with a naughty girl?"
As she spoke, Debbie reached down, lightly touched the bulge of the satin over my balls and ran her fingers up the ridge of my erection through the satin, then up along my naked exposed cock shaft to its big lust and Viagra swollen head. I didn't need to give any answer to her question! A couple of minutes later we were up in my bedroom. Debbie pulled my bathrobe off me as soon as we were in my bedroom, leaving me just in my mother's thong.
It didn't take me long to unbutton Debbie's dress all the way down and slip it off her shoulders behind her. I'd seen Debbie a few times doing stretches in her purple exercise leotard. That curve-clinging leotard had sensuously emphasised her body in a way that had fed my masturbation fantasies for days. Debbie's naked body was everything her leotard had hinted at, and every bit as delicious as I'd imagined as I'd pumped my hungry cock hard thinking of what I'd like to do with her. Her big round breasts were still firm, she had the curves and legs of a woman ten years younger with an erotically exciting triangle of almost black pubic hair between her smooth thighs.
