[FMF] Unexpected threesome with my best friend (20F)

We’re both bi and we’ve known each other since middle school but we had never done anything. I always thought she was hot but just as a friend.
We always tell each other everything so I told her about this guy I’m fucking that has the biggest dick I’ve tried. She told me that she would love to see me getting fucked by it and and asked if she could watch. I said yes.
So the day comes and I think she’s just going to watch or maybe she will ask to get fucked by him.
At first she just watches but then she gets on the bed and starts touching me. I love it and I get impossibly hornier and I touch her too. While he’s fucking me in a reverse cowgirl position she’s touching my clit and telling me things like she loves watching me being impaled on a big cock and that I’m a little slut and I take it so good. Then he’s fucking me doggy and she’s encouraging me to take it balls deep and telling him to fuck me harder. When he was done railing me she ate my poor abused pussy and I came again…I lost count but I had like 4 or 5 orgasms that night.

I (21F) took my first really big dick and I’m forever changed [FM]

First of all, forgive me for my bad English since it’s not my first language.
I’ve always had fantasies about big cocks. I’ve been with well-endowed men, but nothing like this one.
He was 7 inches but as girthy as my forearm, no exaggeration. At first I was scared and I thought “No way that’s going to fit. He’s going to split me in two” but at the same time I was too horny to care. He touched me and ate me out until I was dripping. Then he laid me on my belly ass up, spread my legs and entered me. Just the head was stretching me to the point of tears. I almost tapped out but he gripped my hips and kept going. Every inch was taking the air out of my lungs and I was whining and sobbing as I adjusted him. It hurt but it was a pleasurable kind of pain. As soon as he bottomed out he started to pound me. He told me I was taking it like a champ and fucked me hard with my ass in the air like a ragdoll. I can’t describe how good it felt to be so full of cock. I felt like bursting. The stretch was exquisite. I had never felt that much pleasure in all my life. I came on his cock screaming like I was being murdered. It was so intense and my pussy was sore afterwards but it was so very worth it.
I think I’m a size queen now and I plan to fuck him again.