A Birthday Treat

My phone beeped loudly and vibrated on the veranda table. When I checked, it was the doorbell app. The screen showed Alison, my daughter's friend, smiling at the camera.

The two girls had been inseparable as children, but they drifted apart when Alison was sent away to a posh boarding school after her parents divorced. I hadn't seen the girl for years, and now she was a remarkably pretty young woman.

"Is Helen there," she said when I answered. "I want to wish her a happy birthday."

Today was Helen's eighteenth birthday, and I had just driven my daughter to her first riding lesson. She had been nagging me for months, so besides her main present, I had booked her lessons at the local stables.

"She's at a riding lesson and won't be back for hours," I said.

When I dropped her off, Helen had shooed me away, afraid of embarrassment. I was to return at five, not a moment earlier; I couldn't wait for her to pass her test so she could drive herself.

The girl looked disappointed. "Okay," she said. "But really, I don't mind waiting, if that's okay?"

I laughed. Alison only lived next door, but the blue-eyed girl was very pretty, and I'd never been averse to female company. "Sure, I'll come and let you in."

I walked through the house to the front door. When I opened it, a tall, buxom redhead stood there, her hair in two braids that hung over her shoulders. She was obviously the same girl I'd known when younger, but what a transformation!

"Hi Alison, it's been a very long time, but come on in," I said.

The girl smiled prettily. "Call me Ali; everyone else does now."

"Nice to see you, Ali," I replied, carefully emphasising her name. "It's a shame you and Helen lost touch."

She wore a skimpy, strappy top that showed off her enormous boobs and a tiny pleated skirt that barely covered her arse.

We shook hands awkwardly. "I'm working out on the veranda," I said. "You can come and sit out with me if you like."

I had arranged to work from home for the week because my daughter was at home all week, supposedly for pre-exam revision. Helen was revising for her A-levels, but with the excitement of her eighteenth, I'd seen scant signs of study.

"That would be lovely," Alison said, "though I'll have to be careful of the sun, as I burn ever so easily."

I nodded. Alison had the pale skin typical of redheads.

The buxom teenager followed me through the house. "Tea or coffee?" I asked as we passed the kitchen.

"Fizzy water?" Alison requested.

A few moments later, I was carrying a tray with glasses and two bottles of San Pellegrino.

I set the tray on the large veranda table. My laptop was set up under the sun canopy, so the screen was well-shaded. I gestured at the chairs scattered around. "Wherever you like, I guess."

Alison sat down at a chair at the side of the table. She turned the chair to face me and checked that it was still in the shade.

"I daren't sit out," she said. I've no sun stuff with me."

"I can find some if you like?"

She shook her head, smiling. "I'm quite comfortable here." She paused. "Unless I'm distracting you from work?"

She was, but I didn't care. I just tried not to glance at her luscious body too often.

I smiled and shook my head. "No. It's a quiet week."

I'd made sure I had plenty of straightforward stuff I could do from home - for anything creative, I needed people around me, so I pulled up a design review, which is exactly as tedious as it sounds.

I'd hardly started when I noticed Alison was checking me out. I looked up from the screen.

Alison smiled. "You've not changed at all."

I took advantage of the excuse and looked her up and down. "You have. You're all grown up now!"

The last time I'd seen her, she'd been a bratty thirteen-year-old and inseparable from my daughter. They were in the same class at school. Helen was one of the youngest in the class. She'd been heartbroken when Alison moved away after her parents' ugly divorce.

Alison leaned forward and rested her elbows on the table. I couldn't help glancing down her top at her cleavage.

She noticed my gaze. "Yes, I'm a big girl now," she grinned.

Ignoring the double meaning, I ploughed on, "What brings you back after all this time? It must be five years."

"Oh, I've been back a few times to visit Dad, but you've always been away." She beamed. "It's great to see you again."

Her father had remarried, but I didn't know his new wife and hardly saw them, as I disliked her father, John.

"Likewise," I said more enthusiastically than intended. To cover myself, I continued, "What are you doing now, Ali?"

It was a stupid question. Like Helen, Alison would be in the run-up to exams.

She had the grace not to laugh. "Exams are coming up, obviously. I've no idea what I'm doing over the summer, but hopefully, University in the autumn." She grinned. "Physics, before you ask. Not very girly, I know, but I love it."

We chatted for a few minutes more. Alison's list of universities was similar to my daughter's.

"You never know; you might end up in the same place as Helen."

The next hour or so passed pleasantly. I tried to work but achieved little, distracted by the sexy teenager sitting nearby, browsing her phone. She was aware of my interest, occasionally glancing at me or pushing out her chest.

Unlike my daughter's other friends, Alison seemed mature, a fully developed young woman. The others were still puppy-ish or gawky and colt-like. Stop it, I told myself. She thinks you're a nice old man, that's all. And she's the same age as your daughter. Six months older.

I glanced at the time. It was nearly five. "It's almost time, Ali," I said.

The nickname grated on me. I shook my head.

"Do you mind if I call you Alison?" I asked. "It's a nice name, and I prefer it to Ali."

"Oh yes, please!" she said enthusiastically. "I love my name, but everyone at school calls me Ali." She smiled at me. "It would be nice if you used my proper name. No one else does."

When she smiled, the girl looked radiant. I beat back improper thoughts. The girl is far too young!

"I'm off to pick Helen up, Alison," I said. "You might as well come with me and surprise her."

Alison smiled. "What a good idea."

She stood and stretched, throwing her head back and her arms wide. I stared open-mouthed at her chest.

I tore my eyes away before she could notice. Stop it, you idiot. She's young enough to be your daughter.

"Sorry," she said. "I was riding myself this morning for the first time in ages, so I'm feeling it now."

The girl writhed sinuously. "Yeah, I'll ache in the morning."

"Helen is just learning," I said after giving myself a stern talking-to. "Her very first lesson today."

Alison smiled. "You already told me that."

I shook my head. "Sorry. Anyway, let's go."

Alison followed me until the path to the garage widened, and then she walked next to me, so close her hips brushed against me. Another stern talking to was needed.

Irrationally, I wanted to impress the girl, so I was drawn to the 911. But common sense prevailed. There would be three of us, and given her family, impressing her would take more than a fast car. Instead, I unlocked the Range Rover.

Alison sat on the passenger seat next to me. Her knees were primly together, but her tiny skirt revealed her pale, freckled thighs, almost as far as her crotch.

Alison rummaged around in her handbag. Finally, she pulled out a lipstick. She leaned forward to pull down the sun visor, giving me a great view of her impressive cleavage inside her tight top.

She dropped the lipstick, and it rolled into the footwell.

"Damn," she said.

When she bent over to retrieve it, her right hand was on my thigh, sliding slowly towards my groin.

My dick was instantly and painfully erect. Her stray hand touched it. Alison straightened up, brandishing the lipstick. Her hand massaged my crotch.

"Got it," she said triumphantly. Glancing down at her hand, which still rested in my massive boner, she giggled. "You really are glad to see me, aren't you?"

I stammered an apology. Alison's hand massaged my erection again before she pulled it away.

She laughed. "Don't worry, I'm used to it," she replied.

Her hands lifted her enormous breasts. "It's these puppies; all the men notice them. But they are really inconvenient; they're always in the way."

By then, I had decided the girl was an outrageous flirt. I tried to ignore it and treated her as if nothing had happened.

My dick had other thoughts, so my arm moved to hide the boner that still tented my trousers.

I carefully kept my eyes on the road and answered her attempts at small talk with monosyllables, intensely aware of her sexuality.

We parked in the stables' car park and walked towards the main building. I was conscious of Alison, close by my side--so close that her hips occasionally brushed against me.

Helen stood outside, chatting with Ken, her instructor, looking flushed and dishevelled. As always, her current best friend Kim - Kimiko Oneda - stood a few paces away, wearing a sloppy sweatshirt, looking at the ground.

My daughter turned when she heard the car pull onto the gravel. She waved, moving slightly away from her instructor. Kim glanced up at me and smiled.

The two childhood friends hugged and started chatting, animated and running over each other's sentences. I grinned, hoping this meant I'd see a lot more of Alison.

I turned to Kim, "Do you need a lift?"

The girl beamed. "Oh, yes, please. My car is in for it's MOT."

I nodded. Kim had passed her test a few weeks ago, and, breaking out of her usual crippling shyness, she had told me all about it and the car her father had bought.

My daughter jumped into the front seat, leaving the other two to clamber into the back.

As we drove back, Alison was visible in the rearview mirror. I couldn't help myself and kept glancing at her. She noticed my gaze and smiled. Her chest pushed out, and she squirmed sexily in her seat.

Kim seemed unusually quiet, even for her. I guessed she was worried she'd lose her only real friend.

"Are you learning to ride as well, Kim?" I asked to distract her.

The girl's face lit up. "Oh no. Horses scare me far too much. I just went to give Helen moral support." She smiled. "She won't admit it, but I know she was a bit scared too."

I pulled up at the gates to Kim's monumental house, curious as always to see more, but I'd never seen more than a glimpse of the distant house. We lived in an expensive area, and all the houses were big, but Kim's father's dwarfed the rest.

"Laters," my daughter said as Kim got out.

Unusually, Kim didn't reply, merely sauntering towards the gates, already swinging open as she approached them.

On the way home, Helen and Alison chatted inconsequentially.

"My party is on Saturday," Helen said as we neared home. "I'd love it if you could come. Please?"

Alison looked up at the rearview mirror, smiling. "I'd love to," she replied. "What's the plan?"

"Daddy has arranged a marquee, a disco, food, the whole works," Helen said enthusiastically. "I've invited everyone." She smiled, blushing slightly. "Even my new riding instructor."

Helen turned to me. "I hope that's okay, Daddy?" she asked.

There would already be a throng. What was one or two more?

"Of course," I replied.

We were about to turn into the drive when Alison spoke.

"Do you mind dropping me here?" she asked.

I stopped to let her out.

Alison turned to Helen. "I really must dash. It's been fantastic seeing you both again after all this time. I'll see you at the party, if not before."

Helen smiled. "Yes, pop around any time, Ali; we should catch up properly."

Alison got out and blew me a kiss before she slammed the car door shut.

"I'm so glad you let Ali wait for me," Helen said enthusiastically. "I haven't seen her for years!"

"She's grown into a lovely young woman," I said. "Quite buxom."

My daughter giggled. "Ali's got enormous tits, as you well know, you dirty old man. I saw you ogling her in the mirror."

For a moment, I was indignant. Alison was flirting with me. I almost said it out loud, but I restrained myself.

Instead, to change the subject, I asked, "How was the riding lesson?"

My daughter looked momentarily flustered and blushed. "I fell off a few times," she said after a moment. "But Ken is great; I'm looking forward to next week's session."

Something was slightly odd about her tone, but I decided not to press the matter.

I couldn't get erotic images of Alison out of my head and had a constant boner for the rest of the day. That night, I wanked myself silly thinking about fucking her, trying to exorcise my lecherous thoughts, telling myself repeatedly that she was far too young.

I mostly suppressed my fantasies about the girl until Thursday evening when she dropped in to see Helen.

I was watching TV when I heard Helen open the front door. "Hi, Ali," she said.

A vision of the girl leaning over, showing off her cleavage, sprang into my mind. My dick sprang erect.

Alison popped her head around the door. "Hello again," she said.

Fortunately for my equanimity, the girls scurried, giggling, to Helen's room. I turned back to the TV and watched briefly, unable to focus on the plot.

I poured a stiff drink in the kitchen and sat, browsing the news on my tablet. I'd almost dismissed my erotic fantasies about the busty girl lurking upstairs when she breezed into the kitchen.

"Hi," she said. "I won't be a moment, and I'll leave you in peace again."

Alison glanced around the kitchen and spotted the fridge. She pulled out a bottle of Sauvignon, which she brandished. "Glasses?"

I laughed and pointed. Alison reached up, showing off her fabulous boobs once more, and retrieved two glasses, which she put on the table next to the bottle.

She moved behind me, and her boobs pressed against my back. Her arms reached around me, and with her chin on my shoulder, she peered down at my tablet. "Anything interesting going on in the world?" she breathed into my ear.

I shook my head, trying to ignore that she was pressed intimately against me. "The usual. Gloom and doom, but at least it's jaw-jaw, not war-war."

Alison laughed, and I felt her body vibrate against me. "Yeah. I hate the news." She kissed my cheek. "See you later."

The girl picked up the bottle and glasses and disappeared upstairs.

Lurid fantasies raced through my brain all evening, and I had to wank myself to sleep again. The girl really unsettled me.

Friday passed in a mad rush of deliveries and contractors. But by evening, everything was ready. A massive, enclosed marquee on the lawn and an impressive outdoor kitchen with ample seating under its own awning. A disco was arranged for the evening.

Saturday, the day of Helen's party, dawned. The weather was glorious. Alison and Kim turned up early in the morning and lazed around in the pool with my daughter.

I was busy doing last-minute jobs, making sure everything was ready, but fantasies about the voluptuous redhead still persisted, not helped by the girl flirting outrageously, exposing her shapely body to give me glimpses of her boobs.

Around eleven, Helen announced she was going shopping, apparently needing a new dress for the party.

"You'll be okay here with Ali, won't you?"

I glanced at the sexy redhead, who was grinning at me.

"Sure. How long will you be?"

"Not long. A couple of hours, I imagine. People will probably start drifting in around three."

I nodded. The caterers were due at two. I tossed the Range Rover keys to Kim, who had passed her test a month previously. "Don't crash it," I joked.

Kim giggled and looked at me, blushing. I shook my head. The girl was cripplingly shy, especially with men.

Moments after Helen and Kim disappeared towards the garage, Alison slipped off her flowery summer dress, leaving her in a brief white bikini.

I tried not to stare but couldn't help devouring the vision of this stunning teenage redhead. Her pale body was magnificent; she was slim, shapely and had enormous, perfect boobs. She could easily be a model. I grinned. Or a pornstar.

Alison looked at me and smiled. "All alone, at last!"

She twirled on the spot. Her bottoms were scarcely more than a thong. "How do I look?" she said. "I'm never sure bikinis suit me."

I gulped. The bikini hid very little, showing off her assets marvellously. "You look great," I said. "It definitely suits you." My painfully stiff dick was in complete agreement.

Alison lay down on her front on a sun lounger. A hand reached behind her and undid her bikini top, which she pulled out and discarded on the decking.

"Can you put some lotion on my back, please?" she asked.

I tore my eyes away from where the profile of her boobs pressed against the towel. "Of course."

I squeezed a splodge of white lotion onto each hand and gently rubbed it into the smooth skin of her back, starting at her shoulders and working down.

Alison sighed contentedly. "That feels lovely."

My dick strained at my shorts as my hands reached her waist and the more dangerous areas below. She's far too young to want you, you idiot!

I reached the narrow cord of her bikini bottoms and lifted my hands away.

"Don't stop," Alison murmured. "Can you do my bum and thighs as well? This bikini hardly covers my cheeks."

I tried not to let my hands linger as I applied the lotion to her thighs, careful to avoid the inviting gap between her legs. When my hands reached her pert bum, she lifted her hips slightly, pressing her arse into my hands.

"That tickles," she said. "I like it."

That was enough. I couldn't handle much more flirting. "There. You're done," I said, trying to sound normal.

"Thank you," she said. Her voice sounded low and sexy.

I sat back at the table with my book and coffee. I stared at the pages but was so distracted that no words entered my brain. My eyes were drawn inexorably back to the almost naked teenager nearby.

A few minutes later, Alison turned onto her back, apparently oblivious to my presence, exposing her chest to my prurient gaze. She had prominent nipples set in large areolae. Her boobs were so large and perfect that I had earlier guessed they must be fake. But there were no scars. Believe me, I looked closely.

She lifted her hips and ran a finger around her bikini bottoms, making them more comfortable. As she did so, I caught a glimpse of ginger pubic hair, settling another question.

I tore my gaze away from the girl before she noticed me staring and tried to focus back on reading my book.

Alison stood up, clutching a beach towel to her ample chest. She wrapped it around herself before ambling to the pool. With her back to me, she dropped the towel at the edge and gingerly descended the steps into the water, depriving me of a proper view of her tits.

She looked back over her shoulder at me, grinning. "It's not too bad. A bit bracing, but you soon get used to it."

Alison submerged completely and swan a few underwater strokes before emerging from the water, standing, facing me. She threw back her head, spraying water from her auburn braid and lifting her fabulous chest clear of the water.

"Come on in," she called out. "The water's lovely."

I could no longer resist. I abandoned my book and stripped down to my boxers. I glanced down, and one arm hurriedly covered the massive erection that tented my shorts.

To avoid further scrutiny of my boner, I ran down the path and dived into the deep end. It wasn't a clean entry, but I was relieved I didn't bellyflop. When I surfaced a few metres from Alison, she clapped ironically. "Very impressive," she said sarcastically.

Sunlight glinted off the water droplets on her boobs. I tore my gaze away and splashed around, swimming a few lengths as a distraction. I stopped as far away as possible, stood waist-deep in the shallow end, leaning on the edge, and stared into the garden, pretending to check the arrangements for later.