Brittany’s New Dog

Technically the whole family adopted Cooper, but from an early age it became apparent that he was Brittany’s dog. He answered only to her call, slept at the foot of her bed, and spent every waking moment he could right by her side. Naturally Brittany’s sister Sarah was a little jealous, but in time she simply smiled at the dog’s antics. It certainly wasn’t like Cooper meant to offend her, and the time the dog left her alone gave her more time to attend to her studies.

At 21, Sarah was bookish in both character and appearance, her quiet demeanor appropriately matched by her short cut blonde hair and plain, conservative glasses. Her usually flat face would occasionally morph into a subtle smile at an amusing anecdote, but she rarely laughed aloud or made humor of her own.

Even Sarah’s body seemed to reflect her aura. She was deathly pale and thin, almost painfully so, and those who had never seen her daily workout might deem her fragile. The rigid routine of this workout kept her body toned and her butt tight from many brisk jogs, but try as she might couldn’t enhance her small breasts through any exercise. Sarah rarely stood out in a crowd, but she was content this way. Few bothered to bother her.

Her younger sister was a different story. It would be simple to say that 19 year old Brittany was Sarah’s polar opposite, but this wasn’t entirely true. Both girls were relatively introverted, but Brittany’s face was more relaxed and expressive, and she opted for contacts over restrictive glasses. Her bright laughter often came in bursts, and when she was relaxed conversation came naturally to her. She preferred freedom and music to her sister’s more studious approach, often finding joy in the simple parts of life.

Brittany kept her flowing blonde hair much longer than Sarah, and both her hair and her skin tone were slightly darker than her milky white sister. While Sarah was average in height, Brittany stood a few inches taller, almost brushing six foot. Brittany often skipped her somewhat haphazard workout routine, and while not fat was far from the twig her sister was. Her thighs and butt were ample and shapely, attracting many a glance from admiring men. Her chest had also filled out nicely with age, giving her a decided advantage in that respect over her older sister. Though the two sisters looked similar in the face, their body types were quite different. Men who desired smaller, petite women would often prefer Sarah, while those who enjoyed a curvier girl opted toward Brittany.

Despite their differences, both girls acted a lot alike. They dressed conservatively, seldom dated, and didn’t sleep around. Outwardly, they projected a picture of purity and innocence, a by the book definition of proper young women. But underneath this thin facade lay the reason for Cooper’s canine affinity toward Brittany. A careful observer would notice him hump her leg far too often for a normal German Shepherd pup, and he often pawed at her and whined, as if yearning for some sort of attention that she wasn’t giving him.

The explanation for the dog’s behavior was Brittany’s dirty secret. From early in his life Brittany had experimented with Cooper, jerking and sucking on his little dog cock and encouraging him to lap at her dripping pussy. What had started as a horny teenage whim had turned into an obsession, and Brittany and Cooper played at every opportunity.

Over time, Brittany developed a system of sorts for when she’d explore with Cooper. She was usually cautious and careful, only playing when the house was empty, but occasionally she’d take risks when horniness overwhelmed her. She also found she was able to keep Cooper from getting too wild by sending him with Sarah on her jogs, and Sarah seemed to appreciate the company.

On one particularly fateful day, Brittany found herself alone in her house. Her parents were away for the weekend, and Sarah had elected to go out for the day with some friends. As soon as Brittany felt confident her parents weren’t going to return for something they’d forgotten, she excitedly stripped off her clothes, enjoying the feeling of the cool air on her nude body and hardening nipples. Cooper seemed to sense what was unfolding, and as Brittany flopped down on the floor and spread her pussy wide the German Shepherd was already in position to eagerly lap away, covering everything from the bottom of her slit to her blonde landing strip with his large tongue.