My first threesome… on a river [MFF]

This is my first time posting here. Also my first time writing anything like this. I’m doing it on my phone while sitting at work so please forgive any typos. Any feedback would be great
This all happend a few years ago but it is a experience I will never forget.

The summer we all graduated Me and my girlfriend at the time Amber and one of our mutual friends Kenzie decided to go tubeing on a local river and were planning on getting drunk while doing so. So I got the booze from a guy I worked with the day before and we were off.

It was a beautiful summer day and it couldn’t have been any better. Seeing both of the girls in their bikinis was amazing. Amber was a tall fit brunette with decent sized tits, a amazing ass and legs for days. Kenzi was also a brunette but, shorter thicker and had huge tits that I couldn’t help but stare at. They seemed like they could burst out at any second! Amber and I had a very active sex life and we enjoyed having sex anywhere and everywhere and were always trying new things but had never included another person before.