Walk back to ours with us and have a coffee at least," Caroline said."Yeah, go on, Terry," I added after some debate. Terry agreed and the three of us...staggered back to our flat. Soon we were sitting down with our coffees, Terry sitting with Caroline on the sofa, me opposite in the armchair.Caroline said, jokingly, "Had a great night tonight with you two sexy guys!" "I've enjoyed it too you, sexy bitch," retorted Terry. We all laughed and Terry put his arm around Caroline and gave her a peck on. It took me a few seconds to realize what she was doing; She was rubbing her cunt wish a vibrator. She was moaning softly. I could feel myself getting hard again. This time I didn't try to fight it. I stuck my hand down my pants and started rubbing my eight inch cock. "Joshy.." She said my name. I froze. I thought she had seen me, but then she said, "Oh Joshy, fuck me harder!" She was thinking about me while she was masturbating! This turned me on even more. I started jerking off even harder.. Why don't you come up to the tree house and see for yourself." Maybe I will," she snarled.Lisa's attitude surprised and puzzled me. She seemed angry and scared at the same time. Given what Nikki had told me, I wondered whether she wanted to do what she imagined Nikki doing and at the same time feared of doing it.Nevertheless, I headed for the back door saying, "I have to put my tools away and take a shower. If you want to see the tree house, meet me at the tree in half an hour."Thirty minutes. ”“That sounds like a plan,” said Pearl. “I need to get to the bathroom and then we can brew up some coffee.” Pearl leaned over and ran a hand down the side of my head. “What about you, Bec? Do you need to use the bathroom?”I looked at her and nodded. That was a question I could answer without any confusion.Normally I’m not fond of going to the bathroom with someone else. I know it’s supposed to be a “girl” thing to go to the bathroom in packs but I’ve never really been like that. This time I.