I wanted it so bad in my mouth and in my tight ass. I held back the urge though. I knew how I wanted this fantasy that was coming true to play out.We ...inished stripping and got into the warm water. He turned on the jets. The pressure of the water hit by dick and got it rock hard. I leaned back against the tub, moaning. I could feel his eyes on me. He took his right foot and started rubbing my hard dick up and down. I moaned and groaned more. After we were all wet and hard, Johnny and I got out. Mom: Yes son, it feels nice. I know that too. So, are you coming with me tomorrow for shopping?Me: Yes mom, I am coming. (Still hugging my mom in that position). So, you have to buy some bra and other stuff, right?Mom: Yes. Well, maybe I also need to buy some other undergarments as well.Me: Some other undergarments? You mean panties?Mom: Yes, son. How do you know so much about these stuff?Me: Well, I just know a few things.Mom: Okay, but I am not sure which colour I should buy.Me: Mom, you can. Ellen said "What a pretty dress!" The other two murmured approval andthat was that.Now you can see why Mother's suggestion that I take Fiona's place wasn'tquite as impossible as it might seem, but I was worried because if I was'read' then Mother would surely never live it down. However mothers canbe very persuasive and so early Friday afternoon, I found myself drivingto Ky in a short grey skirt and white cotton blouse and still wonderingto myself if it was a mad idea. I reached Mother's. We were going over a stack of reports when a few of the papers fell onto the floor. When my coworker got up off her seat and bent over to pick them up. Her plump ass was pointing right at me. I could see the outline of her thong through her dress pants. I was surprised that she would be wearing a thong instead of granny panties. This instantly got me hard. When she turned around and I knew she noticed my hard on by the shocked look on her face. I said sorry about that. She said it was okay and.