This is the last instalment in the Sperm Donor series. It has been a long time coming and I thank all those who have stuck with it this far. I hope to give all characters a suitable end.
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A year had passed since I was caught fucking my sister. I don't know if it would've been better for Amy, or Lauren to find us. Sister-in-law or pregnant girlfriend, what a choice.
Amy and Sarah had just had a huge fight. Amy had been on the pill the whole time we were trying to get pregnant. Sarah heartbroken had kicked her out. Lauren had gone to her parents, giving them the news of her pregnancy. It could have been either of them who sped away in that car. In the end, It had been Lauren's suitcase in the hall and her car that had sped from the driveway.
I called her again and again, trying to explain, to no avail. A couple of weeks later she finally replied. We met up at a cafe and talked. She always suspected Amy and I had been intimate. She had suspicions the first night we met at the club, Sarah was a complete surprise though.
After I explained the whole story. How Sarah had asked me to get Amy pregnant and how she had joined in on occasions. Lauren sat there dumbfounded. I couldn't blame her.
I knew this was the end for us. Whatever we had or could have had, was now gone. I reaffirmed my commitment to support her and the baby. Lauren smiled through tear-stained eyes and thanked me. Her parents had been as disappointed as she'd thought. They wanted nothing to do with her or the baby. I guess I should be grateful to them, I'm sure her vulnerability and isolation soften her reaction. She needed me and knew it.
Lauren moved out, not back to her cramped apartment though. I found her a good-sized two-bed house with a garden and paid a part of the rent.
I decided to find my own place to live. Amy and Sarah had a better chance of fixing their marriage if I left. Sarah felt guilty that our night of sordid debauchery had screwed my life up.
She asked me to promise not to tell Amy. I knew it was a mistake, a lie that big could only fester, but I promised. Lauren and the girls had drifted apart over the previous months, so I didn't think she would tell Amy either.
Amy moved back in after a few weeks and we all settled into a new normal. The relationship with my sister went back to a normal one between siblings. My relationship with Amy moved to a platonic friendship. The three of us never brought up our shared sexual history again.
I saw them a couple of times a month, and once my daughter Eve was born, I took her to see her aunts as often as I could.
It was a hot Sunday afternoon in August that tested our new normal. Dropping off Eve at Laurens, I received a text from Amy inviting me for a swim. This wasn't as strange as it first sounds. I had let myself go a bit with all the stress and upheaval of the last year. After a few weeks of teasing, I relented and allowed Amy to take me to the gym.
I thought it would be fun and a good way to see her in tight lycra again. Amy had other ideas and beasted me with relentless intensity. Part of my new gym routine included swimming sessions. Seeing Amy's tight curves squeezed into a one-piece took the edge off those sessions.
Today was different, she had access to a private pool at a client's house. She didn't mention if anyone else would be there, like a pool party or anything, so I assumed she meant to train. Amy elaborated that the client was away and she had to check in on the house. She thought it would be a nice change to do a session there.
This felt wrong, I wanted to know If Sarah knew about this. Amy evaded the question and said it was no different than the gym. I thought for a moment. In the back of my mind, a niggle of concern reared its head. I agreed and she sent me the address. Packing my swim gear and feeling a little uneasy, I drove to the house. On the way I rang Sarah, to check if she was ok with this.
Unfortunately, she didn't answer. I decided against leaving a message and pulled up the gravel driveway. The electric gates opened as I buzzed the intercom and pulled up behind Amy's car. Nervous I headed to the front door, my mind filled with possibilities and scenarios. The fact I was nervous should have sent danger signals to my brain. But it was preoccupied with the anticipation of seeing Amy's toned body in a swimsuit again.
I rang the doorbell and waited. Amy opened the door, a skimpy white towel clutched around her dripping wet body. Her blonde hair pulled back in a wet ponytail, two strands framing her beautiful face. The swell of her magnificent tits poked over the top of the tightly clutched garment.
"Hey, come on quick I'm dripping everywhere," she said hurriedly backing away from the door.
I took my shoes off and felt the warm underfloor heated tiles that covered the ground floor. Amy tiptoed through the house leading me to the pool in the back. It was a small indoor heated pool with wicker furniture around the outside. I noticed an exercise mat at each corner of the pool with kettlebells and dumbbells.
If I'm honest there was a tinge of regret as some of my fantasies evaporated. I didn't what anything to happen between me and Amy. Not after all the problems recently, but a small part yearned to feel her body under me. Taste her and make her scream my name.
A splash broke my reverie as Amy dived into the pool. I hadn't got to see the towel drop. She swam to the edge and folded her arms on the poolside. She explained what I had to do. Swim five lengths and then pull myself out of the pool. Proform exercises at one corner and then jump in. This repeated until each corner had been done five times. She laughed at my pained reaction and said she would make it worth my while.
Her eyes sparkled and there was something naughty in her expression that made my dick twitch.
"Is there somewhere I can change?" I said clutching my bag.
"No need, I've seen it all before remember? I promise not to look," she said with the same naughty grin. This time she even bit her lip. My cock started to swell. I turned around and quickly changed into my swim shorts.
The session was brutal. Any lustful thoughts were brutally knocked out of me. Amy was as relentless as ever, pushing me harder and harder. In the end, she said we would finish with some pool sprints. On one of these, I faked a calf crap to have a rest.
Amy swam up to me as I held onto the side. She ran her hands over my calf kneading and massaging it. My back was to her, but I felt her body push into me.
"Better?" she said quietly,
"It's moving higher," I said, extending my leg back as her hand started massaging my thigh. My cock swelled at the feeling of her fingers. It had been a while since I had gotten laid. I hadn't had sex since that fateful night with Sarah.
Amy's fingers brushed up against my hard cock as she moved her hands higher.
"Someone's feeling naughty aren't they?" whispered Amy as she let me go and moved away.
I may have been a bit misleading when I said we had a platonic friendship. Despite not being physically intimate with each other. The sexual tension was palpable between us. I certainly felt it, I didn't have that with Sarah. Our one night of incestual lust had burnt out any flame between us.
Amy laughed as she swam away to the end of the pool.
"I think we will call it there. I did have a last challenge planned but don't think you can handle it," she gave a mischievous grin.
Sighing and feeling a little flushed I asked what it was.
"A balance exercise in the shallow end to work on your core. I don't know if we should," her mischievous grin faltered and there was a strange look of nervousness. The same look she had worn the first night we had fucked years ago.
At my puzzled expression, she laughed again. The intention was to have me stand in the shallow end, water up to my chest, and try and stand still as she pushed me over. I failed to see what this achieved but said I was game if she was.
I swam to the shallow end next to her and planted my feet. With a grin, she began pushing and pulling me, trying to get me off balance. Amy got more and more physical until she was grappling with me. Her body pushed close to me, arms wrapped around my waist. My cock grew again as it brushed her thigh and I couldn't resist using my hands. I slid my hands around her back pretending to try and steady myself. In truth, I was relishing the feel of her soft body under my fingertips.
Slowly what started as a training exercise turned into something else. My hands slid down her back and lightly brushed over her firm arse. Amy's grunts of physical exertion gave way to a slight moan. I avoided eye contact as I felt her movements change subtly. To any outside viewers, we looked like grown adults playing a juvenile game.
Emboldened I grasped her arse firmly and pulled her body into me. She gasped a little as my mouth covered hers in a passionate kiss. It didn't last long. Amy recovered her wits first and pushed me away gasping lungfuls of air, her chest heaving.
"Shit, Amy I'm so sorry I don't what I was thinking. I wasn't thinking," the words tumbled out in a rush as the reality of what had happened hit me.
Amy's face was a mixture of shock and confusion. Her tongue lick her lips as she moved closer to me. I expected a slap or at least a shove. Instead, she launched herself at me.
Knocked off balance I nearly tumbled backwards. Her legs wrapped around me and arms clasped behind my neck. Her lips were on fire as we kissed passionately in the water. My hands grasped her strong thighs and firm arse. Her body ground into mine as our tongues tangled.
There was familiarity here like we were picking up where we left off. My cock grew hard, feeling her pussy slide along it between our swimsuits. Amy's legs dropped from around my waist as she fumbled at the drawstring keeping my shorts up. Our mouths parted and I saw the lust in her eyes.
This was the moment to stop. So far we had just shared a kiss, a very heated one, but just a kiss. I should have stopped it, made the right decision but instead, my hand slipped between her thighs.
Even in the water, I could feel the warmth as my fingers stroked her pussy. Feeling her hard clit under the material. Before long Amy had pulled my shorts off, leaving me naked in the water. Her hands traced over my hard cock as she gently explored its length, stroking it between her hands. I walked back slowly until I felt the cool tiles on my back.
I held her close feeling the soft skin of her back. Her tits, barely contained in her one-piece, squashed against me. I could feel her nipples like diamonds digging into me. We rubbed against each other kissing slowly and feeling each other's bodies. I wanted to fuck her, feel my cock slide into that hot tight pussy.
I hadn't realized how much I had missed this. I was getting close, like I said it had been a while, and Amy could get my blood pumping like no one else.
