Diogenes - Sex Stories

Diogenes

I wasn’t supposed to be home early the day it all started.

Let me take a step back. My name is Dave. I live in a pretty typical suburb with my mother Sarah, older sister Kate, and our dog Diogenes (Dio for short). I’m in the final days of my senior year at the local high school, and Kate is a sophomore at a nearby college. Mom works from home; she’s a successful freelance marketing consultant. If I'm being honest, both my mother and sister are pretty attractive women. Petite, neither is more than 5'2", but with decent figures, blonde hair, and greyish-blue eyes. It's obvious they're related. I'm 6'1" and much darker than either of them, but somehow we all ended up with the same nose. Even though it's just the three of us (Dad died a few years ago), we aren’t especially close. We tolerate each other pretty well, but honestly Dio is the member of the household to whom I’m closest. He’s a large dog, but a thoroughbred mutt.

I’m a boxer. Not professionally, it’s just a hobby I do in my free time. That isn’t something I can do through my school, so I have a coach down at a local gym. Every day after I'm finished with classes I walk down there and try to get in a few hours of training. At this point everyone in my family knows and expects that I’ll be home no earlier than 6pm, and since I’ve been able to keep my grades up and get into the same college as Kate it isn’t a problem.

On this particular day, however, my trainer texted me to let me know he had gotten food ...

... poisoning and wouldn’t be around. Ordinarily I still would have gone in for at least a little while, but there was just something in the air that made me say “fuck it”, so I headed straight home.

As soon as I stepped through the front door I could tell something was up. There was a weird energy in the house, and I could hear faint thumping noises coming from the living room. On pure instinct I decided not to announce myself, and instead crept toward the source of the noise. When I peered through the living room door, at first all I saw were several indistinct shapes moving rhythmically on the floor. It took a few moments for my brain to catch up and parse what I was witnessing.

My mother was on all fours on the floor, face down ass up as they say. Her blue sundress what hiked up around her waist, and a pair of pink-and-white striped panties were dangling off of her right leg. I couldn’t see anything, however, because Dio was behind her, paws around her waist, fucking her.

Mom was fucking the dog.

I was frozen in shock. I couldn’t see super well, but it was clear that Diogenes was pounding my mother’s cunt with his thick cock. Mom's thighs glistened with what I took to be her own juices, and somewhere in the back of my mind I was impressed with the quantity of fluid Dio was able to make her produce. The distinctive tang of female arousal permeated the room. Obscene, wet noises were coming from where their bodies were joined, and Dio was panting happily. My mother, in ...