Being My Sister’s Sperm Donor – part 2 – by Vikingwarrior32
This is the second part of the Sperm Donar series. It’s recommended to read part 1. To review, Sarah and Amy are a lesbian couple. They want children but Sarah is infertile. She wants her wife Amy to have their baby. She also wants her brother Adam, to be the sperm donor. We pick up the story the morning after the first attempt.
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Awkward doesn’t describe how I feel this morning. Mortified or terrified beyond belief, might be a better fit. I didn’t dare go home. I wandered the streets, trying to think everything through. I was sure what just happened wasn’t part of Sarah’s master plan.
Firstly, I hadn’t expected Amy to do more than just lay there. Her giving me a blow job, whilst amazing, felt like it broke the rules. It wasn’t kissing but more intimate than just the mechanical act of sex.
Secondly, I didn’t intend for either of them to find out about my fantasy. Especially those about Sarah.
It was true, that Amy had initiated oral sex, and she had seemed to like my fantasies about Sarah. I didn’t know what to do, or where to go. At around six I headed home hoping the girls would be asleep. It was silent when I entered the house. I sneaked upstairs to my bedroom, hoping the girls wouldn’t hear me.
Crawling into my bed I noticed my pillow smelt of Sarah’s perfume. As I drifted off to sleep I breathed in her scent. My dreams strayed into vague sexual fantasies, involving all three of us. Whatever my conscious mind thought, my subconscious seemed to still enjoy the idea.
I slept in late. At midday, I rolled out of bed and headed to the kitchen to make some lunch. In my sleepy stupor, I temporarily forgot why I was feeling so anxious. It came rushing back as I entered the living room and saw Amy and Sarah on the sofa, watching TV. When she saw me Sarah turned it off.
“No Adam, don’t leave, can we talk?” She asked earnestly, as I attempted to leave quietly.
“Sit down, we all live here and we’re not going anywhere. We need to sort this out,” said Amy reassuringly.
Reluctantly I sat down on the sofa opposite them. They both wore small pyjama shorts and hoodies. I couldn’t look either of them in the eye.
“Look, Adam, we have been in this situation before,” Sarah said empathetically.
“That was different,” I said quietly.
“Why because it was us fantasising about you?” Sarah interrupted.
“You’ve fantasised about me?” I asked my sister confused.
As I recalled it, their fantasy was me fucking Amy, nothing to do with Sarah.
“What Sarah is trying to say,” Amy cut in, as Sarah had started to blush a little.
“Is that we all have taboo fantasies from time to time. There is nothing wrong with it. In fact, it’s natural. We’re happy with how last night went, aren’t you?” She said concernedly. I couldn’t speak so just nodded.
“Good,” said Sarah. “Because if you’re up for it, would you be able to perform again tonight?” She asked casually, like asking if I wanted a pizza with them. I looked up surprised.
“It’s just that the next week is when Amy is most fertile, it makes sense to try then,” Sarah explained.
“Can I talk to Amy about a few things first, on our own?” I asked glancing nervously at Sarah.
“Of course,” Sarah said a little taken aback. “How about I pop to the shops to get something for tea,” Sarah said hurriedly kissing Amy and then leaving the room.
We sat in silence for a while, Amy seemed to be waiting for me to speak first, but my mind had gone blank. There were loads of things I wanted to talk about, but I didn’t know where to start. After what felt like an eternity Amy caved in and spoke.
“So, was there anything specific you wanted to talk about?” Amy said cordially.
“Er, yer. Last night didn’t go the way I thought it would,” I said slowly.
“Ok, but as I said earlier we all want….” She started to say but this time I cut in.
“No not that, what we did. I expected it to be more clinical, less passionate. I thought It would be, you know, just me in you,” I explained.
“Oh, well Sarah said we should try and enjoy it. At least a bit. It helps the fertilisation,” Amy replied simply.
“Yer I get that. But It was you giving me a blow job. I just didn’t expect it. Does Sarah know about that,” I asked timidly
“She knows everything that went on, we have no secrets. It was her suggestion. She suggested I see if my skills were still up to scratch after so long,” she answered mischievously. Before marrying my sister Amy had a string of boyfriends.
She laughed at my shocked face and added, “that last part was a joke, she didn’t suggest it. All she said was anything was game for us to be comfortable, except kissing. It had been a while and I wanted to re-live some glory days. A rubber cock isn’t the same when it comes to blow jobs,” she joked.
We settled into an uncomfortable silence. I wanted to know more about Sarah’s fantasies. If she had thought of me and her but I was scared to ask. She seemed to read my mind and suggested it would be good for me to have a chat with my sister before tonight. Sort any other concerns.
“I don’t know if I can talk to her about this stuff, it’s too weird,” I said honestly.
“Well, why don’t you text her? I texted my dad when I came out as bi, it helped start the conversation off,” Amy suggested reasonably.
I nodded and stood up to leave when Amy surprised me by suggesting we watch a film together. Usually, if Sarah wasn’t around we gave each other space. Usually, I would be in my room. We didn’t hang out together.
She put on an action film. It was nice, the two of us chatted and socialised. We found we liked some of the same music, same films and authors.
Sarah got back a few hours later. Amy offered to run her a bath and put the shopping away for her. Sarah went upstairs for her Bath, Amy suggested texting her now, she always looked at her phone in the bath.
I didn’t know how to start. I asked if we could talk. She said we could talk about anything. I took a risk and asked the one question I wanted answered.
Had she ever had a sexual fantasy about me?
She took a long while to respond. My heartbeat increased with the ticking seconds. Her response was blunt, yes. I asked if she would describe it to me, she said no.
We messaged back and forth for the next half hour. She made me realise that my fantasies were ok. They were private, hidden and didn’t hurt anyone. She asked if I was still ok for that night, I was.
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Over the next three months, we fell into a strange routine. Amy and I would have sex every night during the week she was most fertile. Then there was a long waiting game until the next window.
Amy and I got more friendly outside the bedroom. We hung out more when Sarah worked long hours, which as a nurse, was quite often. We watched films together, went for walks and even ate out on occasion. Sarah seemed ok with it, and it helped us be more comfortable in bed together. We were more physical with each other too, hugging when we met etc, like how I was with Sarah. Our sex sessions started to follow a similar pattern.