Andy and Mo, his sister, have a very special relationship which was tested when Andy met Alison on a walking holiday in Switzerland.
*******
Andy had always been shy, laid back, easy going and a daydreamer, so with both parents away in Corfu washing and packing for his own holiday had been left until the last minute. Maureen, slim, brunette, 20 years old and his elder sister by two years, needed to give him a push. By Saturday evening they both took time out to relax in the privacy of the rear garden.
"I'll get us both another cider."
"No, sis, 3 cans is enough."
But big sister always knew better. Five minutes later she came back out with a can each.
"Oh, come on. It's summer. Dad buys it, we drink it. Here."
She sat in his lap, pulled the tab on one can and gave it to him, pulled hers and held the can up. "Here's to summer holidays!"
Andy returned the toast and took a swig. Ice cold cider ... perfect for a warm mid-July evening. He could already feel the effect of the previous cans.
"Cheers sis!"
Pint sized Mo, 4'11" tall, 30aa, an almost anorexic 8 stones, fit into her brother's lap perfectly. Into his lap rather than on his lap, her soft, rounded, perfect derriere made for a snug fit.
"You've changed." Even without necking 3 cans of cider, Andy wasn't usually the most observant of guys.
"Nope, I'm still the same big sister."
"You know exactly what I mean. Was shorts, now skirt." And definitely one of her shorter skirts.
Mo smiled. "I guess I was too warm."
Not just the skirt, big sis had changed her top. Was lightweight sweat, now thin tee-shirt. No bra, but that was normal for Mo. Small tits maybe, but her ready to eat, pinkish-brown nipples with gorgeous deeper brown areolae sure decorated them well
She snuggled down into Andy's lap, wriggling a little more than was needed. He immediately felt a totally natural reaction starting to happen. Natural ... except this was his sister. As much as he knew it was wrong, Andy was a healthy male, with a very healthy male response. He also knew it was pointless resisting.
"You travel to Switzerland on Monday. I'll miss you."
With that she took the can from Andy's hand, put it on the table, moved his hand under her tee-shirt. Primal instinct took over.
Slowly, gently Andy moved his hand upwards, tracing against his sister's small breast, across a nipple which was standing proud in anticipation. As it flicked against her brother's thumb it sent a pleasure wave to her sexual nerve centre ... 'nipple one calling base ...'
Andy was aware of her slight shiver, nipple one called base time and time again; base replied with a rapidly increasing signal after each slight motion of his thumb. Mo stood, turned around and settled herself astraddle and facing her brother, a leg each side of the sun lounger. Only strips of fabric now came between her pussy and Andy's fully aroused cock. Mo swivelled around a little to give him better access.
Andy pulled the tee-shirt up and over her head. Mo's boobs were even smaller than their mother's. Teased at school, she had wished for more but all the nerves and all the sensations in her tiny breasts were working perfectly. She had taught Andy and taught him well. He knew where every pleasure nerve was located, when to tickle, when to tweak and pull. She could feel the moisture seeping, no oozing through her panties, rapidly damping Andy's shorts.
Five, ten, fifteen minutes passed by. Fifteen minutes of lightly stroking, teasing, hardly touching his sister's skin. Andy was expertly exploring every part of her back, her sides, her tummy, her breasts and nipples. Just the lightest of touches meant that the seeping, oozing was now a flood, not helped at all by Andy's lips and tongue exploring her small but perfectly formed breasts. There was a widening damp patch on Andy's blue shorts.
Without any word at all both knew what was to come. In just a few seconds Mo stood, removed panties, unzipped and set free Andy's solid 7 inches. She lowered herself and expertly guided him into her, aided greatly by her fast flowing juices. Slowly, ever so slowly she raised and lowered herself, giving Andy the benefit of still tight vaginal muscles, then leaned forward and removed his tee. Now face to face she cuddled, letting every muscle relax, letting herself go soft and floppy. She knew Andy loved the feel of her soft breasts against him and lay there for maybe ten minutes. Andy closed his eyes, savouring the shampoo scent still in her hair. Every so often she clamped her vaginal muscles and eased slightly back and forth, giving her brother's cock a ripple of pleasure, making it swell fully again inside her.
Eventually she sat upright and began to ride his cock. Andy lay still still while her tightness sucked him, while she moved herself ever so slightly to rub her clit against him. She had all the time in the world to pleasure both of them. Just one word from him told her he was about to cum and she increased the speed, clenched her muscles, sucking him until he could take no more. He erupted inside her, his cum exploding and splattering into her welcoming pleasure cave.
A short break, Andy's senses recovering, she moved position again, lay atop and against him and felt a finger of one hand gently probe her anus, the other hand lazily massaging her clit. Andy's fingers hardly moved, he knew just exactly how little had to be done, how to lightly prod at her anal opening, how to circle her clit.
A minute, two minutes, five, ten minutes of soft, persistent arousal. Mo could feel her clit radiating pleasure outwards, building tension, finally giving her the shattering, mind blowing orgasm she deserved. Her own female cum streamed down, drenching Andy's shorts.
Nothing was ever said to undermine the special feelings she had for him. She knew, he knew the feelings of powerful sexual attraction were deemed by many as morally wrong. She loved his well toned and lightly tanned body. She loved to run her hands over his abs and along his biceps, and adored his average sized but thick adequate cock and the way it felt inside her. She loved seeing him other times, catching him unawares in the shower sneaking a wank. It made her feel horny ... very horny. She would often tell him during their evening chats that it was he who had made her panties so damp. Once in a while, like that evening, this love came through in a totally physical way.
******
"Thanks, sis," said Andy. "See you next week."
He leaned back into the car and gave his sister a kiss on the cheek, closed the door with a soft clunk and blew another kiss to her through the car window.
It was good of Maureen to get up early and drop Andy off at the train station. The 07.24 to London Kings Cross marked the first leg of a student holiday. Several members of the local student union travelled with him down to London to join others from all over the UK to travel out to Switzerland with StudentstarUk, a British company specialising in young peoples' budget holidays.
Andy wasn't really a loner but was shy and uneasy with girls and much preferred a hiking holiday in Switzerland to the promise of sun, sea, sand and sex on the Costa del Sol. By the time they had arrived in Switzerland, travelling by overnight coach to save money, Andy knew several of the group. It wasn't easy to sleep on the coach and for quite some time he'd been chatting to Alison, occupying the seat next to him. Alison was from a rural part of Cumbia and she'd just had her 19th birthday. Her friends, Carol and Simone, were on the two seats directly in front and Andy considered himself very lucky to be sat next to the most beautiful of the three.
Packing baggage and rucksack into the coach storage had been slow. Andy's was one of the last to go in so when he boarded the coach there were few seats available.
"Excuse me," said Andy to a young lady seated halfway down the coach, "Is this seat taken?"
She removed her jacket from the vacant seat. "No, it's ok," and gestured for him to sit down. These were the only words she spoke to Andy for the next 15 minutes, instead talking only to her friends in front.