She then made me sit and asked me to hold her from her hips. I did as she said. She started moving faster and placed her boobs on my mouth. I unhooked...her bra, took it off completely and threw it away.While she was riding me I was sucking her boobs. She was enjoying it like anything. After 10 minutes she had her second orgasm and her speed reduced. I could feel her cum on my penis and she stopped moving. She was lying in my arms resting herself.I was still hard. So I made her lay on the bed and. .. , “ she began, “I’ve been following that story that you and your Dad are working on.”My mind froze for a minute. So ... so ... it wasn’t just between Dad and me? She was in on it, too?“From ... From the beginning?” I asked.“From the beginning,” she confirmed. “I hope you’re not upset dear ... It wasn’t your Dad’s idea ... I caught him working on his first chapter one night and asked him about it. At first, he just said he was working on a story of his own, but I could tell he wasn’t being. Looking at Ashley and then back atKaitie."And I had gotten some things..." Kaitie continued, pretending to nothear her sister's question."Oh. Ashley," Stacy said almost disappointed, but trying to not let itshow. If not for Kaitie being so close she might not have even heard it;same for Sarah. But as it was, they both did, and looked at each other amoment."It wasn't Ashley," Kaitie said plainly a moment later, loud andforceful enough that it stopped all whispered conversations or strayinglooks. I looked around and everyone seemed to be oblivious to what was going on. The guy next to my was sleeping his head bumping on the window, for pete's sake. I pulled the panty leg down and to the side and touched her wet nakedness. I could feel the wet pubic hair, as my fingers slipped easily between her lips. I waited a few seconds just moving around between her outer labia, caressing her inner labia, making my fingers slimy and wet. Thumb and first finger found her clitoris as my middle.