Licking my lips I could taste the faint flavor of his precum as I thought about how it made me feel when his cock touched my lips. "It's a date I'l... be back tomorrow afternoon" he promised. The next morning my roommates departed for Canada. I had been fantasizing all night about what I wanted to do, now it was time to act. My job on the base gave access to women's locker room, that’s where I had gotten my blue panties and a few other miscellaneous pieces of lingerie, tops and a couple of. She was excited. My bed was really good. She started jumping on the bed. She’s also doing tricks like lifting her feet. She seemed so happy.Amy: This is too funny!Me: Don’t jump too high, you’re going to hit the ceiling!Amy: Hahaha dad, you’re such a party pooper!Me: I’m your dad and your acting like a kid. I don’t want you to get hurt, that’s all.Amy: I’m still a kid dad! Well, not technically but I’m too young to be boring!After 10 minutes of jumping, she’s already tired. She sat on the bed. This isn't planned for me. It's too soon and I need more that just a quick one. I consider casting him aside but I look into his eyes. He needs me and has no conscious thought outside me. His face is contorting as control begins to leave him. I take his head and pull him towards my lips, whispering, 'Fuck me - fuck me - fuck me'.He responds and lets go of holding back. Our tongues collide and his hips buck again and again until with a groan he seizes as his cum starts to pump into my. Nancy had been very impressed too.So Cindy is talking about this, sitting on the edge of the bed again, in her T shirt and panties, and I noticed that my sister had nipples. I mean she'd always had them, right? But now I NOTICED them and they were sticking out, making bumps in her shirt. My cock actually started to get hard and I got embarrassed. I said "Cindy, this is crazy. Somebody's going to find out about this ... this ... I don't know what to call it ... but somebody's going to find out.