At a drinking party after the last train had left, we were really stuck but you know what? It was actually pretty bad if guys went back to their dorms, so my kind classmate offered to secretly let us stay at her all-girls college dormitory overnight. Later that night, one of the girls got on top of me while our roommate slept nearby! We started having sex quietly because we didn't want to get caught. Her slow piston movements against me made me reach maximum excitement! But then, out of nowhere, our horny roommate called us both over...