You know I love feeling you cum in me."I sighed and slowly pulled out before rolling onto my back, "maybe you are right but we will be wasting a lot o... time with just two pairs out."Sarah straddled me and then stopped as she started to lift up. I looked at her and finally reached up to tug on a nipple, "well?"She jerked and shuddered before grinning as she fitted my cock to her pussy and looked at Julie, "remember cousin Bell?"Julie turned, "yeah. She was studying to ... oh."I looked back and. " he faked surprise,"Did you have a good nap?" "Lie down." Mara said more insistantly as she slid off his body. A slight feeling of disappointment washed over her as his cock popped out of her pussy."I want to ride you." "You'll get no arguement from me." He responded as he dropped to the sand. Mara stood over his hard sexy body and grabbed his cock. She primed it a bit and he let out a little moan, then bending at the knees she dropped down on. Then there was the fact that running causedthe gel pads in my sports bra to bounce rhythmically. I was alsobothered by the nagging fear of being seen by someone I knew. It wasunlikely that I would in this part of town but even the slightestpossibility of it was enough to trigger anxiety. But I eventuallywarmed up as my blood got pumping, got used to the gel pads' bouncing,and forgot to worry about being recognized.We made a turn off Hemingway Boulevard, heading down an alley and pastan old. This was the first time she was going to feel me penetrate her and I knew it was going to be a shock to her. I loomed over her as I tucked my own hands under her knees as I kept her pinned back and used my left hand briefly to position my cock at her fertile slit. I knew she was ovulating because when I had removed her panties earlier the wetness was stranding from between her thighs. I looked down at her, she was highly aroused but visibly nervous. She had her bottom lip tucked in her mouth,.