I was the only virgin in my class, so I was worried, depressed, my grades were dropping, and I refused to go to school! A super kind older sister noticed something strange about me and comforted me! She became my first sex partner! At first, I was just moving my hips as I was told, but it felt so good that I started pistoning with all my might! Then I inserted it! I broke my promise to do it... but as a result, I became a slut who surpassed the boys in my class by 10 levels!