Watched big sister getting fucked by my best friend

I just wanted to share an incident that happened in my life that changed the way I look at my big sister. So, I am 21 years old, and my sister is 2 years older than me; she is 23. We will call her ‘Sarah’ for this story. She is fair, 5ft2, with measurements 34-24-34)

Now, coming back to the story.

This happened 3 years ago when we went on vacation to our home country, Pakistan. I had many friends in Pakistan, all of whom were very nice, and I was excited to meet my best friend (who we will call Ali in this story). So, long story short, we were in Pakistan, and it was a lovely, rainy weekend. I was playing with my friends on the other side of the street, and my sister, Sarah, was enjoying herself in the rain on the other side.

All of a sudden, we were all tired and standing in a circle, talking, when Ali started saying, “Oh, look at that girl; she’s making my cock hard.” He did not know that it was my sister, so I got defensive and said, “Hey, that’s my big sister.” At first, he said, “Oh, sorry, don’t mind,” and we stopped and went home.

After that day, Ali started to come to our house more often, and my family thought he was a nice guy. However, I knew his intentions. Whenever my sister would pass by, it would go like this:

Sarah: *walks by*

Ali: “Hey, your shoes look great.”

Sarah: “Oh, thanks; no one has ever said that.”

Ali: “Well, only people who care will say that.”

Sarah: *blushed*

He was continuing to flirt with my sister every day. I thought my sister would reject and ignore him, but she was always smiling and responding to him nicely. One day, when I was standing with Ali, Sarah told me that her laptop wasn’t working. Ali quickly jumped into the conversation and said, “I’m an expert; just call me anytime, and I’ll fix it.” I thought my sister would reject, but she said, “Yeah, sure.”

The next morning, Ali went directly to the room where my sister was. It was on the top floor, so no one could notice him, but I already had. I went up, and I could have stopped him there, but I wanted to see what would happen. I was peeking at them from the curtain window, and this is how it went:

Ali: “Now I’m here; nothing to fear.”

Sarah: “Haha, hero; here’s the laptop. Can you fix it?”

Ali: “I can fix anything.”

(Ali easily fixed her laptop, which impressed her. What happened next shocked me.)

Sarah: “OMG! You’re so good at this; I was trying for so long.”

Ali: “See, I told you I was the hero.”

Sarah: “Yeah, yeah, hero.” *all blushing*

Ali: “So now we have all the time for ourselves; I can spend it all appreciating how beautiful you are.”

Sarah: *all red and blushing*

(Ali started to move his hands and play with my sister’s hair.)

Ali: “You have such beautiful lips; I can kiss them all day.”

(I thought Sarah would say no or something.)

Sarah: “Who’s stopping you, Ali?”

(Ali went straight for the kiss and was also playing with his hands on her body in fully seductive mode, which was turning on my big sister.)

I forgot to mention that Ali was skinny and really brown.

{Sex starts}

Ali picked my sister up and threw her on the bed, starting to kiss her neck. He removed her shirt and was kissing my sister’s fair skin body fully. He inserted his fingers inside my sister’s panties; I don’t know what he did, but my sister came in seconds.

Ali: “Oh, your juices are coming out.”

Sarah: “Ahh, ohh…” *blushing*

Ali: “No need to be shy; tell me who’s your daddy.”

Sarah: “You.”

Ali, in a demanding voice: “Say it full.”

Sarah: “It’s you, Ali; you’re my daddy.”

Ali: “Daddy wants you to go on your knees.”

Sarah, in a moaning voice: “Yes, yes, Daddy.”

Ali opened his pants, and I saw that he was skinny, but his cock was so thick and long and fully dark brown.

Ali: “Sarah, grab it.”

Sarah: “Okay, it’s really big, Daddy; I haven’t done this before.”

Ali: “Shush… grab it, and I want you to kiss the tip.”

Sarah: *all blushing* “Okay, muaah.”

Ali: “That’s right, that’s right! Now open your mouth full.”

Sarah: *without any hesitation* “Ahhh.”

Ali shoved his cock into her mouth fully. I was seeing my sister’s beautiful, fair face sucking on his brown cock. He then even made her lick his balls.

Ali: “Suck on Daddy’s balls.”

Sarah: “Yes, Daddy… anything you want, Daddy.”

She was licking his testicles, dark brown, while his cock was resting on her beautiful, innocent face.

Ali made her get up and bent her over her laptop, which he had fixed.

Ali: “You ready, bitch?”

Sarah: “Yes, Daddy.”

Ali started fucking her pink pussy.

Ali: “Aah… aahhh… ahmm… fuck… fuck… fuck!”

Sarah: “Aghhhh… Ahhh… Daddy, don’t stop… don’t stop!”

Sarah: “Pull my hair… make me a bitch, Daddy; fuck me, Daddy… fuck your whore, Daddy!”

Ali: “Yes, yes, yes… Ahh… Ahh… Ahmmm!”

(Ali walked and sat on the sofa, raised his finger to my sister, and said, “Come here.” Sarah crawled like a bitch, her face down and her naked ass up in the air. Ali grabbed her hair and started moving her head on his dick, making my sister gag on his cock fully. My sister couldn’t breathe, but she was enjoying the gagging.)

Ali: “Tell me, who’s a good licker, like a whore…”

Sarah: “Me, Daddy! I am a whore” *while gagging on his dick*

Ali: “Bitch, bend on the sofa.”

Sarah: “Yes, Daddy, anything for you.”

Ali: *puts his cock inside her* “Ahhh! Yes, yes!”

Sarah: “Daddy!!! Ahh, please, fuck me, please, fuck me, Daddy!”

Ali: “Shut up, bitch; beg for my dick, you whore.”

Sarah: “Ahhmm, Ahhh, yes, Daddy! Please, fuck me, please, fuck me, Daddy!”

Ali took his cock out and came all over her face and body. He laid down and made my sister lick and clean every drop of cum.

Ali: “Lick like a bitch, clean it; use only your tongue.”

Sarah: “As you say, Daddy.”

(They had sex almost every day for the full vacation, while we were there.)