Maxine was not your average twenty-two-year-old girl. It was a fact, though admittedly an odd one, that she had thought about many times over as yet short life. Most girls don't lose both of their parents in a car crash when they are only eighteen and most in need of their parents' astute guidance, most girls don't adopt their two younger sisters when their parents die, but most importantly of all, most girls don't have a ten-inch dick. However, Maxine had lost her parents and when they had been taken away from Maxine and her sisters, she had adopted her two younger sisters, it had been all she could think to do to keep what remained of her family together despite the life-altering effect it had, had on her. As only Maxine's best friend Lucille could attest to Maxine did have a long, thick and shapely ten-inch cock.

Maxine's dick had never really troubled her, mostly. Sure, she had to be careful on occasion, she couldn't wear short skirts and things like that, but she had developed ways to cope. Not that she wasn't in every way a woman, if anyone had bothered to take the time to check, which Maxine knew from personal experience they wouldn't, would have found, hidden behind her ample set of girl balls, a fully functioning pussy. Maxine was one of only a few people like her around the globe, a medical mystery.

She had elected never to tell her sisters, it was simply too difficult and too intermate to talk. So, Maxine had persuaded herself that they never needed to know, it was all semantics really, she was still their loving caring elder sister. It has become Maxine's biggest secret kept even from those she loved, and one that on a particularly cold, snowy afternoon five days before Christmas, she wished she had never kept.

Maxine seldom masturbated, well ok, she seldom had enough time to, she always wanted to, always. She had grown accustomed to her hard cock as she taped it up every morning, to its dull aching, even to being turned on nearly every minute of the day. Part of this problem was the long hours at the call centre she worked at, part of it was the incessant need to hide her cock from her two sisters.

Maxine thought she was safe on that Tuesday afternoon, she was off work and her sisters were supposed to be out for the afternoon, Beatrix who was nineteen was supposed to be at her boyfriend Pete's flat only a few minutes away by car but Maxine was confident she wouldn't see her till late the next morning and the youngest of her sisters, Florence was supposed to be out shopping with her friends and as expected back in about four hours. So, Maxine had pulled out of her draw her favourite toys; and began to play with them.

It was the best feeling Maxine could remember, she was really getting into it, she could feel her orgasm tantalisingly, close building with tangible force from all angles of her body. Suddenly her door shot open. Florence's eyes bulged at the sight which met her young and impressionable eyes. Maxine, her eldest sister, lay prostrate on her large king-size bed. Her legs splayed, a vibrator pushed into her pussy, nipple clamps on both her nipples. But that wasn't the most shocking thing was a protruding upward from Maxine's crotch, enveloped, like a sword in a sheath, in a pocket pussy was the biggest cock, Florence had ever seen. As she soon discovered as Maxine pulled her member free from the sex toys tantalizing confines. It came free with a tantalizing pop pushing Maxine further into the realm of shame she had accidentally fallen into. It was at this point that Maxine made the monumental mistake of meeting her sister's gaze.

They stared at each other, shock disabling both of them, neither spoke. Then Maxine was presented with a new kind of horror here in front of her baby sister, a girl she had raised alone since she was twelve, she was going to cum. It was almost inevitable, the vibrations in her pussy were still pushing her nearer and nearer.

Hurriedly Maxine started disconnecting things and turning things off, but it was too late. In hindsight she should have expected it, she should have impaled her cock into the pocket pussy and cum inside it, instead Maxine made a bad situation a hundred times worse. Maxine, unfortunately, reached orgasm mere seconds after she pulled her glorious rock hard member, slick with precum and lube out of the pocket pussy revealing its full ten inches in all its glory, for modesties sack.

Maxine felt her orgasm grow, and unstoppable force suddenly building to a crescendo inside her and flood over her like a constant wave that washed over her again and again and again. Maxine was powerless in its wake, all she could do now was let the horror unfold before her. It was the most intense orgasm she had ever had. If it hadn't been for Florence's continued presence Maxine knew her orgasm would have knocked her unconscious, so intense and magical was this unfortunate event. Instead after only a couple of minutes, she sat up. Horror, embarrassment and guilt flickered over Maxine's face overshadowing the euphoria and bliss of her orgasm.

Maxine had always been able to shoot massive loads of cum, she knew that she could even shoot them at incredibly long distances. But this was beyond belief both in volume and distance. It was true that Maxine hadn't cum for over four days maybe that played a part or maybe it had been the embarrassment that had drained Maxine's balls so thoroughly. In any case, thanks to Maxine's now slowly deflating cock, her sister who had been standing a fair distance away, near the door, had been coated from head to toe in white, gloopy, salty, sticky cum. Ropes of incestuous jizzum streaked the eighteen-year old's long, luscious platinum hair that Florence adored so much that she practically forced Maxine brush for her every day. The sticky fluid dripped from Florence's favourite t-shirt. Florence's had been still further coated in her sister's sinful seminal fluid, a powerful jet of cum had been spurted onto her face coated her eye and cheek resulting in a tear like streak that had slid down to her lip, another blast, less powerful this time had coated the young woman's small and supple outstretched hands.

"Oh god, I am so sorry." Maxine managed before her beloved sister bolted from the room without even so much as a word.

The most awkward two days of Maxine's life past by. Beatrix was mostly out of the house either with her friends or at her boyfriend's, so it was mostly just Maxine and Florence at the house. It was early on Saturday afternoon when Maxine realized her excuse of allowing her sister time to deal with this was just that, an excuse designed to save Maxine from the embarrassment of an explanation and apology. Maxine knew in her heart that really, she needed to talk with her little sister.

With a heavy heart, Maxine climbed the stairs and knocked on her sister's door. Florence dressed in jogging bottoms and a tracksuit top opened the door. Maxine swallowed her nervousness along with the lump in her throat, "We need to talk."

Florence looked at her with a frown and a slightly annoyed groan. "Can't you just leave me alone to deal?"

Maxine was firm on this having already steeled herself to this she was determined to sort everything out there and then. "No, I need us to be good. So, I need to talk to you, I know it's embarrassing but its more embarrassing for me than it is for you."

"Speak for yourself sis, you're not the one that got coated in cum." Florence snarked back.

Maxine just smirked as her sister reluctantly let Maxine into the room.

"I am so sorry." Maxine said for the umpteenth time, she was sat next to Florence on the edge of Florence's bed. They had sat there discussing what had happened for over twenty minutes. Florence pulled her sister into a much-needed hug.

"I know you are, it's ok it wasn't your fault, it was mine, I should have knocked."

"Are we good, do you want to make some mince pies with me?" Maxine asked timidly.

"We are good and sure why not." Came Florence's more confident and assured reply.