It was a great summer. I was 18 years old, with no job, and no responsibilities. After having been small for most of my life, I had finally had a growth spurt the year before and was up to 6 ft tall, and in great shape. I spent most of those few months in a small town, where I had a lot of family, including my Aunt Diane. Aunt Diane is my mom's younger sister and, at 35 years old, was still a very attractive, voluptuous woman. She has the most amazing set of tits I have ever seen, to this day. They have to be in the neighborhood of GG and are completely natural. Aunt Diane also had a pretty face and a nice butt, but those tits were definitely her best attribute. All through my teenage years, I lusted for Aunt Diane. I would dig through her bedroom, whenever I was at her house alone, and I discovered her sexy panties and dildos. I would sniff and lick her dildo and panties, while jacking off, imagining what her pussy must taste like. Basically, I was obsessed with her sexually.
My favorite times with Aunt Diane were when we would go to the river near her hometown to hang out, swim, and barbecue. We would always all be drinking, so that's usually when she would be the most flirtatious and the least dressed. She never wore string bikinis, because she had some extra weight on her, but she would always wear those mom type bikinis with big panties and large cupped tops. Even with her large top, her magnificent breasts were always straining to come free. Although we flirted often over the years, it was on one of these trips that things really got interesting.
We had about 6-8 people in our group that day, including my Aunt Diane and her husband. We stopped at a gas station on the way, and when I pulled up next to my uncle's truck, my aunt swung open her door and started rubbing her legs with sun oil. She looked at me and smiled as my uncle walked into the store to buy beer and wine. She saw me ogling her, as usual, and gave me wink. My Uncle soon returned and we were off to the river.
After everyone unloaded the chairs and ice chests, most of us jumped in the river for a swim. Aunt Diane set up in a chair in the sand to layout. When the others had swam out of hearing range, she called me over and asked if I would rub some sun lotion on her back. She held her pretty brown hair up and bent over so I could have access to her whole back. She said, "Make sure you get some all over, even under the straps. I don't wanna burn". This day was off to a great start. I was already getting to touch my sexy Aunt's body in a bikini. Needless to say, I was very turned on. I rubbed her down thoroughly, under her bra strap, and then down under the top of her panties. Then, I rubbed her sides, under her top, and felt the sides of her wonderful breasts. She moaned slightly and said, "Yeah, make sure you get it in good". I was getting an erection by this time. She sat up and said, "Ready to do my front?" I could hardly believe what I was hearing, but she looked dead serious. I stared down at her deep cleavage, my heart raced, and my erection grew.
Splashes from behind interrupted my dream come true, and I turned to see Uncle Tim, Diane's husband, and the others coming back from their swim. I quickly said, "I think that's Uncle Tim's job", turned, and jumped into the water, so Uncle Tim and the others wouldn't see the tent in my bathing suit. My Aunt got a kick out of all this and I had to watch from the cold water as Uncle Tim rubbed down her front nonchalantly. The rest of our day was fun, but Aunt Diane and I never got to be alone again.
Once we got back to my Aunt's house, Uncle Tim passed out in the bedroom and the others retired to their own houses. I was watching TV in the living room when Aunt Diane came in with a t-shirt and her bikini bottoms on. She said she got a little burned and she lifted her shirt and moved her top slightly so I could see her tan line, as well as almost all of the side of her breast. I told her, "You already made me hide in the cold water once today to settle my hormones and now you're at it again!"
She just laughed and said, "It's so funny how much you want your crazy aunt."
That next day, I returned to my Aunt's house around 10 a.m. My cousin was at school and my uncle had left town for a few days for work. I was very excited at the prospect of spending a lot of time alone with my aunt, maybe even sleep over. When I arrived, she was wearing a t-shirt and panties only, her usual skimpy attire when I visited. My uncle often complained that she wore too little around me, but she would just brush him off and say, "Don't be silly. He's our nephew and his mom walks around their house in bra and panties all the time", which is not entirely true. This morning, it also appeared that my aunt had not put on a bra. She was running around the house, doing chores, and talking on the phone, while I sat in the living room and pretended to play video games. I was really watching the way her massive tits swayed to and fro under her shirt and every now and again I'd get a peek of her fine ass when she would bend over to pick something up.
At one point, she must have caught me drooling over her butt, because she came over to me and asked, "Do you like the panties I have on?" She then proceeded to lift up her shirt and put her ass right next to my face.
I said, "You look unbelievable. Do you think I can touch them?"
She laughed and said, "Ok, but only this once." I placed my hand on her butt softly and rubbed her beautiful panty covered flesh. I then got bolder and moved my hand to her hip and squeezed more, hoping to work my way to her crotch, but she slapped my hand away playfully and said, "Settle down mister." A few minutes later she announced that she was going to take a bath.
I sat in the living room, with a raging hard on, imagining my naked aunt in the next room. After what happened at the river the day before, and how flirtatious she was being this morning, I was also feeling pretty bold. I knew it was wrong to lust over my mom's sister in this way and I knew that trying to do anything with her could have disastrous consequences, but my 18 year old hormones were in full control of my brain at this point. I decided this was my big chance. We were all alone and she was already naked. The house only had one bathroom, so I walked over to the door and knocked lightly. "I have to use the bathroom, Aunt Diane", I said. "Do you mind if I come in?"
She replied, "Uh, sure, it's unlocked." I walked in and could see her silhouette behind the thin shower curtain she had pulled in front of her. I apologized for the intrusion, lifted the toilet seat, and pulled down my shorts, releasing my large erection.
