My hand slid over her back, finding the zip to her dress. I slowly unzipped her dress, feeling her bare back on my knuckles. It unzipped to just above...her ass and I slipped my hand over that yummy round butt. We carried on kissing as I slowly undid my shirt and pushed down my trousers. By now it was obvious what was going to happen as she shrugged off her dress revealing her sexy teen body and cute thong covered crotch. I stripped off all my clothes and smiled at her. She blushed at me, staring. "I know where I can get some fertile human sperm."There was a long pause as my four centaur friends sat dumbstruck. I fidgeted self-consciously for a few seconds before reasserting my claim."I'm not lying, honestly I can get fertile male sperm."The four of them all started jabbering at once and there was complete pandemonium before I raised my hands and restored order."Before you ask any more questions, I'll go and get some."They stared at me as I left to get my sample from the liquid nitrogen.. Anyways we spent the whole days walking around. We went to many of the shops there. By the end of the day we were all tried of walking so we went back to the rooms. That night we all went back and drink abit and everyone was getting really drunk but me. I knew how much I could take but I played along. Then about two hours later it was close to mid-night so we headed off to bed. Me and my sisters wanted to watch a movie so we did. They both past out and I finish the movie. So I turn off the. Eventually he groaned loud and thrust upwards to meet her downward force and came deep inside her, causing her to moan and gasp in delight as she felt his warmth spurt inside.Paul seems to have been saving himself for some time as the amount of cum sliding down his shaft and onto her thighs was quite large, causing a slapping sound every time she landed on top of him as she continued to ride. Eventually she groaned, lips agape and a sound of sheer pleasure escaping her mouth as she shuddered on.