My sister nodded."Um, this is gonna be hard, but I need you to um, you know--." Suck you off?" My sister said smiling."Yeah." I said smiling. "So now,...we'll kiss again for a couple of seconds, but this time, I'll flip you towards your right side, so you'll be on top of me."We did just that, I leaned over my sisters body and kissed her lips again for a few seconds, this time, she held my body as I turned towards my left and flipping her body so it was on top of me. We continued to kiss during. I noticed her biting her lip and she took a deep breath. “You need to move your hands so I can finish,” She instructed me. By this time, by penis was harder than it had ever been. I slowly removed my hands and Heather gasped when she saw the whole thing. She placed the sponge on the floor and squeezed some soap into her hand. She reached and took my penis between her hands. For the first time I noticed her nipples were harder and protruding more than earlier. She moved her hands up and down my. .then I was there and it was too late! I called out her name and began to ejaculate, right into her hot sucking mouth! I experienced such pleasure It's impossible to describe. Just jolt after jolt of excitement as I helplessly filled her mouth with my sperm. Then, it was over." Did she swallow all of your come Jeff?" Cindy wanted to know."I really don't know honey. I've thought about that many times over the years but I'm not sure what happened. I know My Dad didn't yell at me about a. Extremely interested. She had to have noticed the bulge in my slacks as I got up and down each time I went for a different pair of shoes. Once or twice I had to adjust it as it was hurting in it's confined space. After trying on a few other styles, colors, she couldn't make up her mind. She was undecided and said she wanted to get her other shopping done and would be back before closing at 5:30. I didn't really care. I was enjoying the show!As it turned out, as I went to lock up, I saw her on.