"Maybe I should have run my computer anti-virus program," Paula thought as she crossed her legs and rubbed nylon against nylon. "While I'm here, I mig...t as well check the boards." Going to a site called GENDERSWAP.COM, Paula watched as his mailbox disappeared and a board with unicorns and teddy boards floating about the screen replaced it. The graphic was very babyish, but Paula wanted to check the site out at a time family members wouldn't be around. CLICK TO ENTER read the belly of a frozen. Do you like it?"Harold loved it. The plaid mid-thigh skirt reminded him of the school girl skirts of his youth. Her simple white polo shirt matched it wonderfully. "It's ... very nice." I'm glad you like it, you bought it," she answered, giggling. She did another spin, a little faster. Her skirt flew up, giving her father a rather indecent show."Heather? Are you wearing underwear?" Harold asked.Heather stopped and hung her head. She moved over to stand right next to her father. He pulled up her. " Gee, thanks Captain Obvious.She smiled, moved down me, and pulled my underwear off. "So're you."I remembered at that point the movie Silver Streak, starring Gene Wilder, Jill Clayburg, and Richard Pryor. One of the characters, a fat and obnoxious man claiming to be a vitamin salesman, called himself Bob Sweet. Bob Sweet had said "Something about the motion of a train makes a girl horny."I guess that was the case here.I swallowed. I tried to think of something to say. I swallowed again. Then I. I felt myself harden as I imagined how they would feel in my mouth."I'll bet your not too concerned about the fact that these belong to your little sister," she said leaning over and dangling them in front of my face. I shook my head, 'no' and went to cup them, wanting to feel their softness and warmth with my palms. She straightened up, wagging her finger at me. "Nuh-uh! I want you really, really horny. I have plans for us."She smiled as she looked in my lap, noticing my re-forming hard-on..