Hey! My name is Kate and I'm a step sister. I recently turned 18 years old. As for my backstory, well, let me explain. Growing up, it was always just me and my mom, but when I was about 12 or 13, she met someone new and they got married. So now, not only do I have a step dad, but also a stepsister who's about my age. Her name is Lily and we get along really well.
A few weeks ago, we were both home alone for the weekend when Lily suggested we try something new. We had heard of this thing called "cum swap" where you...well, swap your cum with someone else. We thought it sounded kinda weird at first but also kinda intriguing. So we decided to give it a shot!
We both went into the bathroom and got naked. Then we sat on the edge of the tub and started playing with each other. It was so much fun! After a while, we both got really turned on and started rubbing ourselves off. Eventually, we both climaxed at the same time and I have to say, it was one of the most intense orgasms I've ever had.
We were both so excited that we decided to do it again! So if you want to try this with me, just let me know and we can make some plans.