I’m the reason my brother and sister have sex together

I should have explained it to her properly instead of making up some stupid silly joke, now she’s having sex with our brother and I can’t stop it.

I was in my bedroom getting dressed because I was heading in to town with my friends, I was already late and rushing around, my 8 year old sister, Becca, came in to my room and asked me a very odd question.

“Why don’t boys like their willys?” she asked.

“What?!” I asked back, what a weird ass question.

“Boys. They don’t like their willys, do they?” she asked.

“What makes you think that?” I asked.

“Toby keeps trying to pull his off.” She replied.

I froze in the middle of putting my top on and I looked at her in shock, Toby is our brother, he is 12, she must have seen him wanking himself off in his bedroom or something, “He’s not trying to pull it off. At least, not in the way you think.” I replied with a brief laugh.

“What is he doing then?” she asked.

I really didn’t have time to explain it to her, definitely didn’t have time for the birds and bees talk, I quickly put my trainers on and dashed for the door, “I’ve got to go. Talk to mum.” I said as I turned off my bedroom light and started walking down the stairs.

“Mum’s busy.” She said, but she said it in that cute voice of hers that makes me feel bad.

I stopped and turned around, “Listen. Uhm – “ I just made something up, “ – You know how boys have balls, right? – Well, they need to empty them every day or they’ll – explode and they’ll die.” I said, then I turned around and ran down the stairs and out of the house before she asked me anything else.

What I didn’t realise was Becca had taken what I said as a joke, and believed every word of it as truth.

A week later I got home from school and I caught Becca in Toby’s bedroom and she kneeling on the floor with his cock in her hand, and she had sperm all over her face, “Toby – Becca, what the fuck are you doing?” I asked them.

“I’m helping Toby empty his balls.” She replied.

“What?! – No! – Stop it!” I said, rushing over and pulling them apart.

She started crying, “I have too. I don’t want him to die.” She cried.

“Huh?!” I uttered in confusion.

“His balls will explode.” She said.

It was only then that I had a flash back to that night when I made it all up, “Oh my God, Becca, I was joking.” I said, I then turned to Toby, “Why did you let her do that to you?” I asked him.

“It felt good.” He replied.

“Fucking hell. Come on Becca, get out of his room, now.” I said, dragging her out of his bedroom and in to the bathroom to wipe Toby’s spunk off her face, “Do ever do that again.” I said.

A couple of weeks after that I came home from school and I heard grunting and moaning coming from Becca’s bedroom, I opened the door and found them in bed together having actual full on sex, they made no attempt to hide what they were doing, they were both on her bed naked, Becca was on her back with her legs spread high in to the air, Toby was on top of her humping away with his ass bouncing up and down.

“Oh my God – Oh my God – Oh my God!” I screamed, “No – No – No!” I yelled.

They both turned their heads and looked directly at me and started laughing and giggling at me, Toby didn’t even stop humping while he was looking at me, I pulled him off her, “Get dressed and get out! – You dirty little shits.” I said.

It was then I finally had the birds and bees talk with Becca, I explained everything to her and how naughty it was what she and Toby were doing, but it was too late, apparently they’d been doing sex stuff together for weeks behind my back.

I realised I couldn’t stop them, they were always home before me and I couldn’t tell mom and dad because technically it was all my fault it started in the first place, so now I have to ignore the fact that my little brother and sister and fucking like rabbits every day.

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