I lay in my bed listening to the sounds of sex coming from my parents room. I heard a couple of deep grunts and knew that my father had just cum.
I had been home from university for just 10 days. On the day that I came home, Wednesday, my mother had come to my room and fucked me. Two days later, on the Friday, she had again come to my room. This time she and my father had just had their Friday fuck and she had wanted me to follow him into her wet hole. What I hadn't expected, though, was to hear the sounds of my brother and sister having sex in the next room.
Mum had known all about it and had wanted us to fuck while we listened to them. Now it was Friday again and I was wondering if there was going to be a repeat performance.
Today was my brothers 18th birthday. He had been born just 11 months after my sister so, for a month, they would both be 18. There was going to be a family party for Paul, my brother, at our house tomorrow. Tonight he and Helen, my sister, had gone out to celebrate his birthday. I had seen them go out. Helen had been wearing a short white dress that buttoned down the front. Beneath it I could see a skimpy, white bra and matching thong. Whilst my mother was dark skinned with long, dark hair Helen took after my father. She had a fair complexion and blonde hair which, like mum, she wore long and flowing. She looked stunning and sexy and I had no doubt that when they got home Paul was going to get inside her.
I lay in bed feeling jealous. Whilst I was hoping that mum would come to my bed after my father had finished with her I really wanted to fuck my sisters gorgeous, firm, young body. I imagined my dick slipping into her tight little pussy. Without realising it I started to wank my cock.
Gradually I became aware of steady snoring coming from my parents room. As usual, my father had fallen asleep within minutes of shooting his load. If mum was going to come visiting it would be soon.
Sure enough, less than five minutes later, I heard my bedroom door open and close softly. In the dim light I could see mum as she stood next to my bed. She was wearing a robe but it was hanging open. Beneath it she wore the tiny black bra and panties that dad liked her to wear for their Friday session.
Without speaking mum slipped the robe from her shoulders. I reached towards her and cupped a breast in my hand. Her nipples were already hard. She pulled back the quilt and slipped into bed beside me, at the same time reaching for my tool.
She murmured "Hmm! I see you're already hard for me".
Half an hour of thinking about my mother AND my sister had got me horny as hell. I spilled her tits out of her bra and played with her long, hard, dark nipples. I kissed and sucked on them then started my journey south. I wanted to lick her wet pussy before I fucked her. I wanted her to cum over my face.
When I got to her panties I started to pull them down her slender legs, but mum stopped me.
"No! Leave them on. I've got something special planned for later".
I had no idea what she meant but I was desperate to get at her love hole. I pulled the panties to one side and slipped my tongue into her. She moaned as I tasted the heady mix of her juices and my fathers cum. My tongue found her clit and I teased the hard bud until I felt her hips pushing up at me. Mum moaned even louder has her body tensed and shuddered. As she orgasmed I felt like I was drowning in her juices. She pulled me upwards.
"Get your cock inside me. I want to feel you fill me!"
I felt my hardness against her cunt lips and pushed forwards, entering her roughly.
"Fuck me hard! Cum inside me!" she whispered. "Fill your mothers cunt with your babies!"
I was ready, and with a couple more thrusts I shot my load deep inside her. I imagined my spunk mixing with my fathers as her pussy muscles milked me dry.
I collapsed beside her, my hand caressing her flat stomach.
"Sorry!" I said. "That was a bit quick. I wanted it to last longer".
Mum ran her fingers through my hair and stroked my face.
"It's OK, baby. We've got more fun to have yet. I told you, I've got something special planned".
"What could be more special?" I asked.
"Well" replied mum, "Helen and Paul aren't home yet!"
I thought about last Friday, when we had listened to my brother and sister having sex in the next room. I felt mums hand close over my cock and started to get hard again.
"Do you think your sisters sexy?" asked mum.
"I haven't really thought about it" I replied, but my stiffening member betrayed me.
"Liar!" giggled my mother. "I saw the lust in your eyes when she went out with Paul tonight. If there hadn't been anyone around you'd have tried to fuck her there and then"
I was getting confused. I had expected mum to be a little possessive about me now that screwing her had become a regular thing. Now she was talking about me humping my sister.
Mum continued "Paul's 18 today. I think we should make it special for him – give him a birthday surprise!"
Suddenly it fell into place. Mum wanted to fuck my brother and she was setting me up to take care of my sister!
"How?" I whispered. "How's it going to happen?"
"Simple!" smiled mum. "We'll be waiting in Helens room when they come home. Trust me – it'll work out!"
Two weeks ago I hadn't even considered incest. Now my mum was rubbing my dick as we talked about me fucking my sister. I rolled towards mum and kissed her, out tongues exploring each others mouths hungrily. I started to move on top of her. I wanted some more penetration.
Mum laughed and pushed me away. "Easy, baby! Save yourself. It won't be long"