First time. [MFF]

My parents went on a trip to Europe over the summer and left me at home with my cousin Lisa. Lisa is 3 years older than me, and my parents thought she would be good for me to hang out with while they were away. I just finished my junior year in high school, and she finished her sophomore year in college. I do not think my parents knew about her boyfriend Mike. He would spend most afternoons at our house with Lisa. I would hear them giggling through my bedroom wall, and then her mattress would squeak, letting me know what they were doing in there. I mentioned it to her one morning after he left, and she laughed it off. She told me that when I discover how great sex is, then I will understand the excitement. It’s true, I guess. Ever since I began exploring my body at a young age, I’ve wondered what it would be like to have someone else touch me in those places. I’ve matured a lot in the last 2 years with a silky patch of hair around my pussy and nice, firm breast that seem to catch the attention of the guys at school. I often lay in my bed at night, my hands playing with my breast and then making their way down to my pussy. It’s kind of embarrassing to me at how my pussy gets so wet at that time. I’m not sure what is normal.
I’ve been thinking so much about sex today that my nipples are constantly hard, pressing against my tee shirt. I caught Mike looking at them more than once tonight, and I think Lisa noticed also. I told them good night and went to my room and closed the door. They soon followed me upstairs, and I heard the shower running. After the water cut off, they walked down the hall towards the bedroom. I expected to hear them having sex very soon. Instead, my door opened, and they walked in wearing robes. Lisa sat next to me and told me that since I was driving them crazy earlier with my nipples showing, it was time for me to have fun. She pulled my sheet down, exposing my naked body. Removing her robe, she laid next to me and began kissing me and playing with my breast. I could feel my pussy begin to throb and get wet. I looked over and Mike had dropped his robe and his cock was at full attention. I’m not sure I expected a cock to be so big. Lisa ran her finger down my slit and told Mike that I was so fucking wet for him. He got on the bed and started licking my pussy. I’ve never felt anything like that in my life. My head was spinning, and my breathing was heavy. Lisa was now watching him and fingering her own pussy. She was encouraging him to devour my virgin pussy. Quickly, I had my first orgasm from another’s touch. He moved between my legs, placing his hard cock at my entrance. Lisa told him to ease it into me. I could feel my pussy rip apart as he slowly entered me. It hurt like hell, but I wanted it bad.
He fucked me slow but as the pain eased, I wanted more and began meeting his thrust. Lisa was sucking my nipple as she watched him. Her finger furiously rubbing her own clit. I came again and again. When Mike could not hold it any longer, he pulled out and shot ropes of hot cum across my belly. Lisa cleaned me up and kissed me. Needless to say, it was the best summer of my life.

Source: reddit.com/r/Erotica/comments/zvqu7u/first_time_mff