"Jimmy, NO!" I squealed.
Startled, I used the edge of the swim platform to quickly push away. Jimmy had swum up behind me and without warning his fingers had deftly found my clit and parted my folds. As his hand slid out of my bikini bottom, he pulled the suit tight until it caught in my slit and jerked out of his fingers.
Jimmy spun me around and kissed me full on the mouth. I held my lips tight and didn't allow his tongue in my mouth. Damn he was strong. His grip on both my butt cheeks was pinning me against his hips and pushing his erection against my exposed labia. Not this time I thought and I pushed on his shoulders and bit his lip.
He released me and checked to see if his lip was bleeding. It wasn't.
"Ouch!" He mumbled through his fingers.
"What the fuck, why did you bite me? Your nipples are rock hard and poking through the fabric. I wasn't going to go any farther. I thought a little fun would be OK. C'mon Hannah, you want this as much as me. We've been together two years!" He protested.
I grabbed the swim platform and regained my composure.
"Damn it Jimmy, it doesn't matter if it had been ten years. You're not going to finger fuck me in this pond. I'm not going to risk another infection because you have a hard-on. My nipples are hard because of the chilly water. And as to your intentions, that's bullshit, you'd have been inside me if I'd taken another second to push away."
Jimmy's shoulders shrugged submissively and his expression took on the look of a toddler who had his candy snatched away.
"And Jimmy, you just can't shove your hand down my pants or stick your dick in me any time you want. It's my choice not yours. And you'd better look out, Mikayla's coming up behind you."
Jimmy turned to face Mikayla just in time to catch a face full of water.
"I saw what you did to Hannah, and I'll punch your lights out if I ever see you make my little sister jump like that again." Mikayla said, as she splashed more water in his face.
"It wasn't me; it was a fish that startled her." Jimmy sputtered in self-defense.
I winked at Mikayla, "He's right, it was the biggest goddamn 'grope-her' that I've ever seen. And it swam right up between my legs."
"That's what I thought." Mikayla said as she pulled herself up onto the swim platform.
I watched Jimmy stare at my sister's crotch as she pulled herself out of the water. Mikayla's full boobs, firm ass and the cameltoe that had formed in the crotch of her wet bikini bottom had commanded his full attention.
"Jimmy!" I said as I slapped the back of his head.
"What was that for?" Jimmy's said as his head spun to face me with a look of absolute innocence.
"You damn-well know what it was for." I said as I pulled myself up onto the swim platform.
"Ah, Hannah, you need to fix your suit before Jimmy swallows his tongue." Mikayla giggled.
"Oops, my bad." I giggled back.
Jimmy had refocused his attention to my bottom. I could feel exactly what he was looking at. My suit was tugging at my clit. I reached down with one hand, looped the fabric under my finger and slowly covered my fully exposed labia. I used two fingers to smooth and adjust the suit. With naughty intent I traced one finger through my folds. This cameltoe wouldn't be accidental like my sister's had been.
"Oops, my ass." Jimmy laughed.
"Hannah, how can you scold him if you're gonna tease him like that?" Mikayla chided.
"It must have been the grouper." I chuckled.
*****
I checked the shoreline trail that led back to the farmhouse. There were acres of hay fields all around the pond. But the trees and scrub brush that surrounded the pond provided swimmers with complete seclusion. Confident that we were alone, I motioned to my sister that I was taking off my top.
Mikayla smiled quizzically, pointed to her own breasts and silently lip synced the words, "Me too?"
"If you want, it's ok with me." I nodded, as she pulled off her top. I envied her bountiful breasts. They were two cup sizes larger than mine, firm and had puffy nipples. Jimmy was about to get an unexpected treat. I laid on my tummy with my head cradled in my arms. Mikayla did the same.
"Jimmy if you're able to climb up on the swim platform with that gigantic hard-on, you're welcome to join us." I teased.
"I'm going to swim it off, you and Mikayla are killing me." Jimmy mumbled.
I reached back and pulled my bikini bottom between my butt cheeks and rolled down the fabric along the top of my hips.
"That should help blend my tan." I whispered to Mikayla.
"Good idea, but don't expect Jimmy to keep his hands off of you." Mikayla said, as she adjusted her suit the same way.
"No, we just had a talk about his hands, but I'm not sure about his ability to keep his eyes off of you. Mika, even I can't keep my eyes off you. Your body is stunning." I said with admiration.
"You want me to cover up again?"
"Not on my account, it's such a pretty day and the sun feels so good on my bare skin." I replied.
Jimmy swam a lap around the platform and grabbed the deck on the side closest to our feet. I knew that he had a boy's best view of our tits and ass. I could sense a slight rocking motion of the platform. Basking in the sunshine with a smile on my face I suspected that my sister also knew what he was doing.
Jimmy had pulled himself up enough to peer over the edge of the deck. He was rewarded with side boob and tight ass views of both of us.