"Thomas why are you doing this?" she asked and realized the glow was retreating up the tunnel. "Do you want to show me something? Should I follow?" sh...e asked and again it seemed to agree. She wondered what was going to happen, but screwing up her courage and with one hand on the wall beside her, she started after the glow. She followed it as it led her deeper into the tunnel and then started up the off shoot. "Thomas, don't go that way. I don't want to go back up that tunnel; it comes to a dead. .. Almost seconds later, she was cumming. I got down on my knees between her thighs. Her pussy was running with her juices, creating a small pool on the chair. I slid my tongue into her pussy, but it was still extra sensitive after her orgasm, so sensitive that she couldn't handle me touching her clit. I stood up and showed her my bulging cock, still in boxers. I took it out and started stroking it right in front of her face, just far enough away so she couldn't reach it with her mouth. I. I can’t exactly not notice that.’ ‘Then we’re clear,’ Kelly announced, standing up. ‘Not entirely,’ Doug admitted. ‘Let’s face it, last night you did let your guard down for once and it was really sweet. The way you hugged me in the water was…I don’t know, delicious. And remember, I didn’t even know you were naked until you did that.’ ‘Maybe I was just testing you,’ Kelly said. ‘Just seeing if you were a typical guy who turns into a drooling idiot every time he sees a vagina.’ ‘There you go. A lot of times I would not even have a climax.”Just as we both were enjoying our mutual orgasms, we felt the presence of our mother and sister. We froze, with my cock still in Jenna’s pussy. We were awaiting in anticipation of what might happen next. My twin sister, Jean, came and knelt beside us as she looked closely at her older sister and me. Jenna’s and my naked bodies were still locked together in our lustful incestuous sexual embrace.Our mother said, “Oh dear, I was so sure that incest.