Kelly's Diary 132 - My Best Friend's Brother - Cover

Kelly's Diary 132 - My Best Friend's Brother

Copyright© 2025 by Kelly85

Chapter 2: Playing With Beth

Erotica Sex Story: Chapter 2: Playing With Beth - To put it mildly, she wasn't exactly thrilled when I flirted with her dad and got him to fuck me. How would Beth react if I did the same to her little brother?

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Fa/Fa   Exhibitionism   Oral Sex  

Now it was almost six months later and I was finally back home for spring break. Beth was on break as well from her college so we spent lot of time shopping and just generally hanging out together. We returned to her house shortly after having lunch and when we pulled up I noticed another car in their driveway. Since both of her parents worked during the day, I wondered who it was.

“It’s Tony’s,” she sighed a bit dramatically, “Damn, I thought he was at school today.”

Tony was her younger brother. At sixteen, he was still in high school which didn’t start the winter break until tomorrow - or so Beth had thought. Well, it looked like she had her dates mixed up. I loved Beth dearly but sometimes she could be pretty flighty - even if she was a brunette!

We went into the house and checked out the family room. Beth’s home was a rarity in my neighborhood - a single floor ranch with a pool in the back. Most lots weren’t large enough or level enough for such a house but they had one of the few exceptions. Coming in through the garage, we passed through the kitchen and then into the family room. Sure enough, planted on the floor was Tony with his X-ox controller playing some silly game on the large screen TV. He looked up just enough to see who it was and went back to his game without saying a word. Beth looked at me, rolled her eyes and led me to her bedroom where she shut the door behind us.

“He’s such an idiot!” she complained, “All he does is play that stupid game day and night.”

I couldn’t help but take the opportunity to tweak her buttons a little. It wasn’t that nice of me but then, what are best friends for?

“Well, he may be an idiot but he IS a good looking one you have to admit.”

“Kelly!” Beth exclaimed as she stared at me in disbelief, “He’s my sixteen year-old brother. Don’t you go off and get any ideas now - hear me?”

I just grinned mischievously at her which set her off more than anything I could have said.

“I mean it Kelly. He’s off limits!”

“Does he have a girlfriend?” I asked, “Has he done it yet?”

Beth knew exactly what I meant by “it” and from her expression she wasn’t too pleased about my line of questions.

“Yes, he does, and yes, he has.”

“Oh really? And how would his sister know THAT?” I pressed onward.

“I caught them one time in his bedroom. She was just sucking him but I am sure they were planning to go farther than that.”

“God, that must have been hot to see your brother getting a BJ!” I gushed.

“C’mon Kelly, he’s my brother. The last thing I need to see is THAT!”

I could tell she was getting agitated so I dropped the subject and we went back to the usual gossip and secrets we had to share from the time we had been apart. Beth was still into the party scene and she kept pressing me to go to the next one with her. She averaged about one a week which was way beyond anything I was willing to do. It had been quite a while since my last one and to be honest, the next one wasn’t high on my priority list.

Beth started telling me about the last one and how many guys had fucked her and all and it all seemed so impersonal. She knew most of the people so it wasn’t like they were all strangers to her like they were to me, which undoubtedly helped to some extent. Even so, after a while I would have thought she would get bored with them! Finally, just to shut her up about them I thought up a brilliant scheme - brilliant to me at least.

“OK, OK Beth, I get the picture ... I tell you what - I’ll come to your next one if you agree to help me with someone I want to fuck.”

Beth looked at me and she was so wrapped up in the thought of taking me to her next party, she didn’t think through her response.

“Sure,” she agreed, “Although I can’t picture who you would need my help to get you slut!”

We both laughed. Beth would often call me a slut thanks to my maneuverings with guys and I playfully called her a whore because of all the guys she fucked at her parties. We both knew it was just teasing on the other’s part so neither of us took the nicknames in a bad way.

I grinned and started to speak in response when her face drained of color and her mouth gaped open wide. Somehow I had the feeling she had figured out what I was up to.

“Oh no - wait just a minute girl. You promised you wouldn’t go near my dad again. Please Kelly, he couldn’t look me or my mom in the eye for a week after you seduced him and he didn’t even know that I knew about it!”

I just grinned at her and shook my head.

“Nope, I had someone else in mind ... someone a little younger if you know what I mean.”

Beth wrinkled her nose and thought for a second. I guess the idea was so foreign and unbelievable to her that she couldn’t bear to think about it at first but then a frown appeared and I knew she had it figured out this time.

“Oh don’t tell me you mean Tony, do you?” she said, her voice sounding more disgusted than anything else, “Christ Kelly, he’s only sixteen.”

“You don’t have to watch if you don’t want to,” I assured her, “It could be just like your dad, just stay out the way and let me have a go at him.”

“Yeah, but what if the little perv tells someone?” Beth mused, “God, that would be all I need. I’d never hear the end of it.”

Beth dropped back on her bed, her head all but buried in her large pillows. She just stared up at the ceiling as if lost in thought. I looked at her and couldn’t help but admire her large boobs, which even the sweater she was wearing couldn’t begin to hide. I was barely out of a training bra when Beth was wearing a “C” cup and now she was at least a “D” or better. The amazing thing was they were still almost as firm as mine and you would hardly know it when she wasn’t wearing a bra so long as she stood still! I could tell she was wearing one now from the outline through her tight sweater. I guess there was one thing about being smaller in the boob department, you didn’t have to wear a bra to keep your boobs from banging around uncomfortably.

Like me, Beth was wearing jeans and she had one leg stretched out with the other bent so her foot was flat on the bed next to her other knee. Her arms were at her sides and if she hadn’t been breathing and staring upwards, you might have thought she was out cold! It had been quite a while since the two of us had played around - at least on a sexual sense, and the more I looked at her the more appetizing she became. Hmmm, maybe there was a way to convince her to go along with my idea after all!

I laid down beside her on my side with one arm over her stomach just below her boobs and one leg draped over her outstretched leg. I nuzzled my face up to her neck and through her hair until I could just touch her neck with my tongue. I gently flicked my tongue on her neck and then ran it up to her ear and around her earlobe. At first she didn’t move a muscle but then when I started to softly kiss the side of her neck, she couldn’t stay quiet any longer.

“Mmmmmmm, what have you got on your mind girl?” she whispered softly.

“You,” was all I said in response before my mouth went back to work on her hair.

“Don’t start anything you’re not ready to finish,” she warned me.

“Oh I won’t,” I replied with a little giggle.

My hand moved upwards until it held her breast through her sweater and bra. God her tits were incredible! They were so large that I couldn’t cup them completely and they felt impossible firm in my hand. All that clothing couldn’t hide the hardening of her nipples under my fingers, though, as I gently rubbed them through her garments.

“Ohhhhhhhhh Kelly,” Beth moaned softly as she began to squirm almost imperceptibly.

I reached down lower and pushed my hand up and under her sweater, reaching up underneath until once again could fondle her breasts. For a while I rubbed them through her bra until I reached under the bottom elastic and pulled it up and over her breasts. It was pretty tight around her in the process but once it was up and over it stayed tight above her cleavage. I couldn’t see anything, of course, but my hand felt the softness of her breasts and the warmth they generated.

“That feels soooooo good Kelly,” Beth whispered. She had closed her eyes and was just lying there now, by her silence signaling to me that she was allowing me to do anything I wanted to her.

I pulled her sweater up and this time she gave me a little help as it was bulkier than it looked. It was now all bunched up under her neck along with her bra, revealing her breast and flat stomach to me. Her jeans were cut pretty low so her belly button was well above the waist. Beth had a perfect figure and her soft yet perfectly flat stomach felt so good as I ran my fingertips around and over it. I shifted my position so my head could move down lower and soon her beautiful breasts were right below my face. I blew softly on her nipple and was rewarded by her chest pushing upward, as if she was trying to will me to take her into my mouth.

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