Very quickly Lisa started spilling out some of her fantasies and sharing some of the things she wanted to try. She went through her list and ended on playing in public. Gen snickered and said, that’s why you love our hot tub so much which everyone laughed. I commented that we actually hadn’t gotten a chance yet because we’re never alone. Our food was pretty much gone, we asked for the check and Tod and I split the bill in half and headed back home.
By the time we were back home it was now dark outside. Gen asked what we wanted to do now and Lisa jokingly said, to the hot tub, everyone laughed. I said sure why not and Gen said that they’d join us for a little and then leave us alone to get wild. I wasn’t sure if she was joking or being serious. I know Lisa would take that as an opportunity and knew I would be fucking her outside tonight regardless of what Gen meant. We all changed back into our suits and headed outside again. By the time Lisa and I got outside, Gen and Tod were just climbing into the hot tub. Lisa and I took a seat on the other side. It was quiet for a while until someone said, we’ve finally ran out of things to talk about. Tod mentioned, well we could play truth or dare. Of course Lisa thought that was a great idea, Gen and I both didn’t say much, we knew that it wasn’t going to be as much fun for us as it was for them. Even though I couldn’t stop thinking about how hot Gen looked naked, there’s no way I could dare her or ask her anything that would raise suspension to the others.
While I was wasting my time worrying about this, I heard Tod ask Lisa truth or date. Well I guess it’s too late now to make an excuse as to why we shouldn’t play. Lisa responded with Truth. Todd then asked, what’s the kinkiest thing that the two of you have done together. Lisa thought about it for a while and then said, I gave John a BJ in the dressing room once and he recorded it. Gen’s jaw dropped open and Tod said, hell yeah that’s nice. Lisa then said, my turn and asked me truth or dare. I said dare, she already knew everything about me and figured it would be a safe dare with my sister being around. I was wrong, Lisa said I dare you to lose the suit. I said fuck it, slipped them off and threw them on the grass. Lisa cheered but I was more interested with Gen’s reaction. There was none. Almost like a million things were going through her head. It was now my turn so I asked Tod, truth or dare. He said let’s keep the fun going dare. I said you’ve gotta join me, lose the trunks. He did the same action and tossed them next to mine on the grass. Tod then quickly asked Lisa again truth or dare. Gen chimed in and said, hey you’re skipping me on purpose. Tod responded, sorry I didn’t mean to, truth or dare. Gen said you guys think I’m not as open and wild so I pick dare! Tod said, take your top off!! Gen froze, are you serious?? We all laughed as this really backfired on Gen. The laughter pissed her off, she reached back, unclasped her top, slid it down her arms and threw it to the grass. Lisa shouted, you go girl! Gen then very quickly covered up her boobs with her hands. Tod told her that she looked amazing. Gen sighed loudly and regretted taking her top off now. It was her turn and she asked Lisa truth or dare. Lisa didn’t hesitate, said dare and just took her top off. Gen said hey, I didn’t dare you to do that. Lisa said yeah but I knew it was coming!! Gen said fair enough, I just didn’t want to be the only one with tits out. Lisa leaned over to me and whispered, can I ask Tod to do something inappropriate or will you get mad? I said, go nuts. She was about to lean back and then added, you’re staring at your sister’s boobs and smiled. Lisa sat up and said Tod, truth or dare. Todd looking slightly concerned said dare, followed by, this game is now dare or dare and laughed to himself. Lisa said, I dare you to kiss me on the lips, with tongue. Todd did the right thing and turned to Gen for permission. She said sure, only because you checked with me first. Todd raised his eyebrow surprised that she said yes. He never thought she would allow something like this. Todd leaned forward and met Lisa’s lips. I watched as their heads both turned slightly, their lips parted and their tongues entered each other’s mouths.
I sat there in pure enjoyment, this was surprising me as a turn on. I looked from their mouths to my girlfriend’s tits that were fully exposed since she took her top off. That reminded me that my sister was also topless sitting across from me. I tried to glance her way to take a look, she had since let her hands relax down and were no longer covering her tits up. She was fully locked onto watching her boyfriend make out with my girlfriend. I fully enjoyed the sight of her tits resting just above the water line. Her nipples were hard as a rock. I started to hear the kiss get a little more aggressive and turned back to them. They were now very passionately making out. Tod had now raised his hand up to her sides to hold her while they were kissing, his cock was also free due to him losing his trunks. It had also raised up and was lightly pushing against my girlfriend’s bikini bottoms. Just when I thought something naughty was going to happen Lisa broke the kiss, sat back down in the water and said wow, you’re a great kisser.
No one said anything, everyone was too turned on and didn’t know what to say. Lisa then said, did we take everyone’s breath away which I laughed at, more to fill the silence then anything. Tod sat down slowly and looked over at Gen briefly. Gen had a smile on her face which then gave Tod full reassurance that he wasn’t in trouble and hadn’t crossed some line. He came outta his daze and said that was hot, ok who’s next. He turned to Gen and said dare or dare and laughed stupidly. Gen said ha, ha not that funny. He then said, I dare you to kiss. Gen stopped him and said don’t be stupid Tod, I’m not going to kiss my brother. Tod continued talking and said Lisa at the same time. He laughed and said I wasn’t going to make you do that but you said it, you have to kiss your brother. Lisa laughed and said, dare’s a dare. Gen said no that’s too intimate. Can’t he just grab a boob or something stupid. Tod responded, a boob grab is less worse than a kiss? She said sure it is, boob’s a boob, nothing special. I spoke up and said, hey don’t I get any say in this? Tod and Lisa at the same time said NO! Jokingly I said, ok ok and sat back into my seat. Tod then said fine, I dare you to let your brother touch your boobs, but it’s not just a boob grab, he gets to twist those nipples he said as he chuckled.
Gen said fine, whatever. She stood up and stepped forward acting annoyed. I stood up and moved closer as well. I was in a complex formula in my head. I was trying to show that I was disgusted by this while at the same time I was lighting off fireworks in my head. I could not wait to touch her tits. Her’s were slightly smaller than my girlfriends were but were just as perky. They pointed straight at me. I moved my hands up and placed my hands on both boobs getting a great handful. I was in heaven. I moved my fingers to the nipple and soon found out why Tod had made this a part of the dare. Gen got great pleasure from her nipples being twisted and pinched. I first pinched one and saw her eyes shut closed. Then I twisted the other slightly, a slight moan escaped her closed lips. Her eyes shot open and pushed my hands off. She said that was the deal. We all knew she did it because she was enjoying it too much and was afraid to show that her brother was making her feel this way. We both sat down and looked back at Tod and Lisa. They were both drooling watching us. Lisa commented first, that was so hot watching you two together. Tod just said, ugh huh, clearly in agreement with Lisa. Gen said really why? Tod said I don’t know, it’s just so taboo and hot to watch it. Gen said oh, a visible weight had been lifted and she didn’t sound so concerned about what had just happened anymore because she wouldn’t be judged.
She perked up a little and then said I guess it’s my turn! She looked around the three of us thinking about what and who to dare next. With a slight grin she turned back towards me and said, I dare you to kiss me. Instant smiles on Lisa and Tods face, Gen added you two get to sit back and enjoy this too. I stood back up and leaned forward to kiss her. At first our lips met, I’m not going to lie, I was nervous. I felt her lips part and her tongue meet mine. It felt awkward with my hands at my sides so I reached up to hold her sides just as Tod had done with my girlfriend before. We continued our kiss with it becoming sloppier and passionate. It was almost like we were long lost overs, and not brother and sister. Then I felt it, with our heads moving side to side as we kissed our bodies were moving ever so slightly, my cock had become so hard that it was now pressing against my sister’s bikini bottoms and slightly rubbing. I couldn’t tell if she was aware of it and I didn’t know what to do about it. We continued to kiss, I didn’t want to break it, I didn’t want it to end. Several seconds later she pulled back outta breath and breathing heavily and mumbled, wow.
We looked back at Tod and Lisa to find Lisa sitting in Tod’s lap. He had both of his hands cupping my girlfriend’s c cup melons. You could see he was squeezing and playing with them. They were both fully enjoying watching Gen and I. I decided to sit back down to hide how rock hard my cock had become. I sat back and continued to watch Tod play with Lisa’s tits. She was getting a chance to fulfill one of her fantasies, to get played with in front of someone. She just didn’t think it was going to be someone else playing with her. She looked at Gen and I with a look that told us she was getting more and more turned on. Lisa then said to Gen, take a seat and watch your boyfriend play with me. I didn’t expect Gen to sit on me, but that’s what she did. Gen facing Lisa lowered herself until she was sitting on my lap. By the looks on Lisa’s face she didn’t expect that either but was very happy about it. Gen sat on my lap as we both watched Lisa’s tits getting twisted and squeezed. Lisa leaned her head back to the side and started to kiss Tod. I felt Gen settle back a little more as she got more comfortable with being on me. She slid back all the way and centered until she was pressing my cock against my belly. She froze slightly and stopped moving. I wasn’t going to do anything; I was afraid I would scare her off. I felt that at any moment she was going to come to her senses and leave.
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