"Nick brushed the hair off Amy's forehead, "I'm sorry for scaring you. Do you want to stop?" Nick didn't want to stop but she would have done anything...Amy asked of her, even if it included physical pain on her part.Swallowing, Amy said, "No, I don't want to stop. Let's just go slow, okay?"Nick smiled and kissed her glistening forehead, "Of course, baby."Everything seemed to come so naturally to them; it was almost as though they had done it a thousand times over. The caresses continued at a. I was a fuck toy, a cum receptacle and I loved it.The guy at the foot of the bed lifted my legs and placed them against his chest. I knew what was coming and I was ready. Julie had fucked my ass with her strap on before but this was different. This was a warm hard throbbing cock and I wanted it inside me.He rubbed the slick lubricated against my puckered asshole and I moaned like a wanton slut."You love that cock against your asshole don't you Pig?" the Dom chided."Yes master," I panted like a. "Well, Maggie, you seem to be in perfect health," the doctor said. "In fact, you're in such good health, that I'd like to recommend you as a subject for a medical study, with your permission, of course."Maggie was intrigued. "What sort of test, doctor?" Well," replied the doctor. "The OB-GYN department is running it. They're collecting data to increase knowledge of teenage girl's sexual development, and they want healthy test subjects. Unfortunately, because the study has not been made public. Once in early September she had another idea.“Some of my friends say that put it in their mouth when their boyfriend gets close. They say it’s really cool. I want to try that,” she said.“No, I don’t think so. You’re my sister and it’s possible to get diseases that way, so no, not with me.”School started, and we missed a few Thursdays while she was doing schoolwork or extracurricular stuff.Then on a Friday late in September I heard that little tap and Willy came in, but this time she had someone.