It was my little sister, Sasha's 8th birthday, so my mom and my aunt decided to take us to the zoo for the day. We packed our stuff in the car and headed for the zoo. My sister was so excited, she loves every kind of animal even reptiles. We pulled up to the zoo, took some time to find a parking spot. As my mom was getting the stroller out, she noticed that the wheel broke off of it.

"Damnit" mom said.

"What mom" I asked.

"The stroller is broke."

"Mom, I'm a big girl...I don't need it" demanded Sasha.

"It's ok mom, if she gets tired, she can sit on my lap" I said.

"Okay" said mom.

Sasha's about 3.5 feet tall, weighs 42 lbs, has long dirty blonde hair and green eyes. Come to think of it, she looks just like the actress, Mia Hays. My aunt got my wheelchair from the back of the car and I lifted myself into it. I have CMT, Charcot Marie Tooth, first signs appeared about 10 years ago, I'm 16 years old now. We got in line, it took about 20 minutes to finally pay and get in.

First, we went to the see the birds. My sister was very excited, pointing out all the different kinds of birds, practically naming each one. My mom was getting a bit annoyed, she had to tell Sasha to calm down several times. After that, we went to see the tortoises. They were a bit boring, just sitting around, but my sister didn't care, she was happy to see them. After some time going from habitat to habitat, we went for a bathroom break and had lunch. After we ate, Sasha came to me and asked if she could sit on my lap. Of course I let her, most of the time she would just hop right up without even asking.

We all headed to see the polar bears. By being on my lap, Sasha was able to get a closer look at them since people move out of way for wheelchairs. Something caught my eye, I turned to look and right next to me was this hot girl in a bikini. I was only able to see the back of her. She was about my age, about 5 foot and had a very nice ass with her cheeks hanging out of her bikini bottoms. Suddenly, she bent over to pick up what she dropped. The view I got was what you would see in erotic pictures. Her bikini did not hide her pussy very well. It wasn't bare or anything like that. But there was no mistaken it for a pussy. The bikini hugged it like a glove, the outline of her lips were beautiful. Sasha knocked me of my trance.

"Justin, look look, you see...they're playing with that ball."

"Yeah yeah I see."

Then I realized I had a semi erection. I didn't want it to become fully hard, so I had hoped I could focus on something less erotic and not on that girl's cameltoe. But my sister's movements were having effect on me. Over the years and countless times Sasha sat on my lap, I had never been aroused nor even thought of her in any such a way. There was not much clothes separating us. I had on just a t-shirt and mesh shorts. Sasha wore bikini top and bottoms with a short wavy skirt.

"Justin, your aunt and I are going to go relax by the pool. You have your cell on you, right."

"Yeah mom"

"Okay, don't let Sasha out of your sight and text me every so often."

As they walked away, my attention went back to the erection that was starting to lightly poke my innocent 8 year old sister's tiny ass. I couldn't tell if she felt it or not. All of her attention was all the bears. Suddenly, an elephant roared and that got her attention.

"Jus, lets go see the elephants" she said as she bounced excitedly on my lap.

"Okay Okay, we'll go."

The bouncing forced more blood to my cock and now my cock was poking her cheek more. It was a short push to the elephants, but along the way, Sasha kept adjusting her ass on my lap. When we got to the elephants, she lifted off my lap to see around the people.

"There Justin, go that way" she demanded.

As I started to push, Sasha lost her balance and fell back down in my lap. As this happened, I felt the tip of my cock head slide between her ass cheeks. I almost ran into someone when I felt that. I got to the spot where she wanted me to go to. We sat there watching the elephants, a couple elephants were watching the people, two other elephants were spraying water from their trunks at each other. I heard Sasha sigh and her hands went to her mouth.

"What's wrong Sash."

"That elephant over there...umm...look at his...pee pee" she whispered.

I looked up and over to the elephant. I was even shocked, his penis was hard and at least 2 feet long, maybe more. I believe that was the first time she has ever saw a hard penis. She has seen mine only twice, but both times was by accident and neither of those times was I hard. Her eyes were transfixed on his member.

"Justin...his pee pee is so...big" she whispered.

I was more turned on now as I watched her stare at the gigantic cock. My cock got harder and slid more between her ass cheeks. Then I felt her ass cheeks squeeze together trapping my head between them. The feeling was awesome, but seconds later she released her grip. Even though my cock had a natural upward bent to it, it was now being bent a little bit more. Ever so often, she would rock her hips. I was really becoming more aroused.

"Justin...I need to pee" she whispered.

"Okay"

I took her to the bathroom and waited outside for her to return. As I waited I texted mom telling her we were okay and now heading to the baboons, she just replied with be careful. Sasha came back out and had a worried type look on her face.

"Sash, what's wrong."

"I couldn't tie my bikini bottoms" she whispered in my ear.

I looked down and she had them in her hand. I took them from her and placed them under my shirt.

"We'll find a place to put'em back on, okay."

It wasn't like I could go in there with her nor could I put them on her right there with people all around.

"Okay...but how am I gonna get up on your lap...people will see my butt and my yahyah."

"Don't worry I know what to do" I giggled.

I had her stand in front of me and face away. Then I had her step up on the footrest as I lifted her up and onto my lap. She lifted up and as she removed her skirt from under herself, I got a quick peep of her little butt then she scooted back which caused the seam of my shorts to ride up against my nuts. I was aroused once again from the touch of her skin on my skin, her butt laid upon my upper thighs and the thought of her naked under her skirt was extremely erotic.

As we were wheeling over to the baboons, she slowly moved her hips forwards and backwards. The heat from her pussy on my cock was amazing. When we got there, there wasn't anyone else around.

"Justin."

"Yeah Sash."

"What's that baboon doing" she asked.

When I looked up, there was a baboon no more 15 feet away and hanging on the bars in front of us. Seconds later, his cock went hard and he started jerking off and doing it pretty fast. His penis was about 6 inches long, thin and very red. I was quite shocked. I guess Sasha turned him on, she is a very cute girl, but most likely because he could smell her scent. Sasha started to grind on my cock a little harder and a slight sigh escaped her mouth. If I didn't witness it myself I would've never believed that Sasha was turned on by watching the baboon jerk off. I don't know if she knew what she was doing or it was by instinct. I could feel from the middle of my shaft to the head was starting to get wet from our juices.

"Justin, what's he doing with his pee pee" she asked.

I didn't know what to say really. I couldn't come up with a lie quick enough.

"He's playing with himself and his pee pee is called a cock" I blurted out.

"What's..."

Suddenly, he started to ejaculate and his sperm was shooting quite far. I thought I moved back just in time before his sperm got on us, but I wasn't quick enough. When the baboon finished, he jumped off the cage and ran through a doorway to inside.

"Just, he peed on me" she giggled.

"Where."

As I leaned forward and to the side to see, I felt my cock slide down a bit along her pussy. Sasha moved her skirt out of the way and pointed to her upper thigh, but before I could wipe it off, she put her finger in it.

"Hm a bit sticky, not like pee...Justin was it" she asked as she smeared it around.

"It's...it's his sperm" I said.

My eyes moved to between her legs and I could see that my cock head was about a half an inch above her clit. The shaft was firmly up against it and her bald little pussy lips could not even wrap halfway around the shaft. The view was beautiful. My best guess is that my shorts rode high enough for my cock to slip out and the in seam of the shorts kept my cock snugged up against her pussy. I quickly fixed her skirt before anyone could see. It kept crossing my mind, how could she not notice my hardon pressing up against her pussy. I thought maybe her mind was so caught up on everything else that was going on around her and not what was going on below her.

"What's sperm" she asked curiously.

"It's what comes out of cocks when they feel good...I mean, when the good feeling gets too much, sperm comes out...it's called an orgasm"

"Oh" she said as she wiped it off.

I could tell from the expression on her face she didn't quite understand. I surely didn't want to go the sperm makes babies route.

I started to wheel down the path then around the corner and along the side of the cage. Sasha continued slowly grinding her pussy on my cock, it was starting to get difficult to push, let alone think straight. As we passed some overgrown bushes and trees that were along the side of the path, Sasha suddenly grabbed the wheels and stopped us.

"Justin, looooook" she whispered.

I turned the chair and saw a different baboon. We couldn't see him from the front of the cage because of the trees and such. He sat on the ground near the bars with his legs spread open and his rock hard cock standing straight up. It was like he was showing off for her. His cock was a bit longer, fatter but equally as red as the other. Sasha kept her eyes locked right onto his red rocket and she continued to grind over my cock. I took a quick look around to see if anyone was coming. Then I noticed a sign reading "No Entry", so I figured no one would come by here, plus we were hidden because of the overgrown shrubbery.

After several seconds, another baboon came over. They turned sideways and the male positioned himself behind the female. The male slowly slid his baboon's cock into her pussy. It was very erotic and I was amazed that animals would even tease humans like this.

"Justin...what's...where's his cock going into."

I was wondering why no one was around to see the baboons and now I know. They didn't want their kids learning about the birds and the bees from them.

"It's going into her pussy...but you call it a yahyah."

"Oh...hm...does his cock hurt her pussy" she curiously asked.

"No, matter of fact, it feels very good for him and her"

Sasha didn't stop watching them fuck nor did I. The view we had was awesome. You could see the stroke length he was taking as his cock slid in and out of her.

"Justin...do people do that too" she asked.

"Yes, they do and it means making love."

"And it feels good for both" she asked.

"Yes, very."

"Hm...

As we watched them fuck, Sasha started to move her hips even more.

"Mm" escaped from Sasha's mouth.

"You okay Sash."

"Uh huh"

She never took her eyes off of the baboons. The male started to really fuck the female. His cock was like a blur going in and out of her. They were making a lot of noises and I was getting nervous they would attract attention. Suddenly, he slammed into her one last time and stayed deep in her. I assume he was shooting his sperm into her. Then the male got off her and they both took off to inside.

"What happened Justin" she confusingly asked.

"He had an orgasm."

"So his sperm went into her pussy" she questioned.

"Correct."

"Okay...do girls have..an orgasm too."

"Yes they do."

She went real quiet.

"Do you want to go" I asked.

"Justin.."

"Sasha."

"Can...me and you do that" she asked in the sweetest voice.

After all that has happened I was still shocked that she would even ask that. But I got to admit, it was a huge turn on, especially because she uses that voice with our dad when she really wants something.

"Uhm...Sash, I don't know...I mean it will hurt you."

"But, you said it don't hurt."

"Well, when its the girl's first time, it does hurt and you being young, your pussy might be too small for my cock."

"But, we can try, right."

I don't think she truly understood.

"Uhm..."

"Please, please" she begged.

"Okay, but do as I say, agree."

"I agree."

"This is our secret, do not ever tell anyone, no parents, family or friends...never ever, agree."

"I agree...I can keep a secret Justin."

"Good. K, lemme text mom and tell her we are okay."

"Okay, thank you for letting me know. You have 3hrs left before we go, so meet back at the entrance."

I took a deep breath in then out. I'm just glad I did this plenty of times before with girlfriends. But I was still extremely nervous, I did not want to hurt her.

"Okay, first, you need to get down for a minute."

She climbed right down and then turned around. As she was turning, I fixed my shorts and placed her bikini bottoms behind me on the seat then scooted forward, but not quite to the edge of the seat. I then leaned back.

"Sash, when I lift up, pull my shorts down at the waistband, okay."

She nodded.

I locked my chair and as I pushed up off the seat, Sasha took a hold of my waistband and pulled my shorts down to my ankles. As the waistband passed my hard cock, it popped straight up in the air inches from her face. Sasha's eyes went wide open as my cock stood 6.5 inches right in front of her.

"Your cock is so big Justin."

"I guess so."

"Can I touch it?"

"Sure you can"

She took a step towards me and reached her hand out. When she wrapped her fingers around my cock, it jumped and sent chills up my spine.

"Mm" I moaned.

"Oh did I hurt you."

"No, feels good."

She gripped it a bit tighter then slowly stroked it.

"Mm...so soft but hard..."

She squeezed the head of my cock and some precum came out. Her touch felt amazing, I could've came just then but there was no way in hell I was going to pass this up.

"What's this."

"It's the head of my cock...and that's precum...It helps cocks slide in pussies easier"

"Hm cool" she giggled.

"Are you ready, Sasha."

"Uh huh" Sasha said as she stroked me.

"Okay, take your skirt off then climb up on my lap, face me and sit on my upper legs."

She removed her skirt, placed it on the ground then climbed up. She placed one of her hands on the backing of the chair for balance. As her knees were positioned on each side of my legs, she sat back up on them. My cock was right between her legs, it came up to her belly button. She never took her eyes off my cock.

"Sasha, you are so beautiful" I said I looked her up and down.

She had a nice tan, flat tummy and chest. I was dieing to get a look at her pussy, but my cock was in the way.

"Awe thanks, Justin" she said as she finally made eye contact with my eyes then she smiled and blushed.

"Okay, now I want you to place each foot to where each of your knees are now, like how a baseball catcher would sit behind the home plate...you understand."

"Yep, I know my baseball."

She put both hands on the backing then placed each foot at a time till she was squatting over my legs.

"Perfect. Now as you hold on, stand up and step forward till your pussy is right above my cock then squat right over it."

She did as I said and when her pussy was in place, I was given the perfect view of her it. It was wide open, but tiny and with a tiny clit too. It was very aroused, it was red and swollen. As the sunlight shone through the trees and came in contact with her pussy, her wetness glistened.

"Your pussy is very beautiful, Sasha."

"Thanks" she giggled.

"Okay, this is it, you ready."

She nodded and her eyes went back to my cock. I took a hold of it and held it in place as my other hand went under and over her thigh to help pull her onto my cock.

"Sasha, I want you to put your pussy on the tip of my cock"

She placed herself on it as I said. As I held her there, I moved my cock around and over her clit.

"MMmm, Justin"

Every time my cock hit her clit, she would moan and I could feel her legs wanting to give out. I stopped and positioned my cock at her entrance.

"Sasha, slowly and gently push down on it."

She began to push herself down onto it.

"Ehhhh" she murmured.

I pulled down just a little and my head went in a tiny bit.

"Oww"

"You okay" I asked.

"Uh huh"

She continued to push down.

"Do you want to stop" I asked.

"No...but can you help more."

"Okay."

I pulled down hard, maybe too hard, as I did the head of my cock popped right in. She bit down on her bottom lips and grunted in pain, but tears didn't follow. I let up thinking she was hurt.

"I'm sorry Sasha, are you okay."

"Uh huh."

She continued to push down. I was glad she didn't want to stop, her pussy around my head was amazing. It was so tight and hot. The juices from us started to run down my cock. The more she push down the little more my cock slid in.

"Sash I want you to stop pushing...now slide your pussy up till my cock comes out then go back down...when it stops sliding, do it again till I say stop."

"Okay."

She slowly slid her pussy up to my head and when my cock came out, it made a popping sound.

"Ow mmm" she moaned.

The head was covered in our juices. I eased her back down and this time the head slid in a bit easier. She moaned as she slid down my cock. We continued doing that slowly for three more times and each time her pussy went further down my cock. My cock was about ⅓ in her when it hit her hymen.

"Ow Justin, that hurt.." she grunted.

"Sorry Sasha...that's your...hymen."

"What's that."

"It means you haven't made love yet and so my cock needs to go through it...But Sasha, it will hurt."

She stared at my cock in her pussy for several seconds. I thought maybe she would want to stop. I hoped not.

"Okay, Justin...make love to me."

"Keep sliding up and down my cock, but only up to the head"

I eased her up to the head and right back down.

"Mm good girl" I moaned.

She smiled.

Every time she came back down, my cock would hit her hymen and Sasha would squeal. I grabbed her bikini bottoms.

"Sasha open your mouth so I can put them in it, I don't want people to hear you."

She opened her mouth and I slid them in. In a way, it was very naughty, but I felt bad. I let go of my cock and placed my hand on her other thigh. I continued to guide her up and down my cock, with each stroke I got faster. She was biting down on her bikini bottoms and moaning like crazy. I decided not to warn her when I go to break her hymen. I didn't want her to tense up, so I tried to distract her.

"Sasha does my cock feel good in your little pussy."

"Mmm mmm" she said while nodding.

"Do you want to stop."

She shook her head no wildly and that's when I pulled her down real hard. As my cock broke through her hymen I quickly stopped. Sasha shut her eyes real tight then tears started coming down her face. I removed the bikini from her mouth.

"It'll be okay sweetie."

I placed my hands on her face and pulled her to mine then gave her a kiss on the lips. She gave me a kiss back. I then wiped her tears away.

"You good" I asked.

"Yeah."

"Good and I love you."

Sasha's face lit up with a big smile.

"I love you too, Justin"

"You can kneel now" I said.

She placed her knees on the seat, but she couldn't sit down yet as my cock still had about 4 more inches to go. I grabbed her by the hips and started to ease her up and down my cock. It took her a minute or two to get the routine down, but when she did, we picked up speed. As her pussy stroked my cock I pulled her down on me and the deeper my cock went, the harder I pulled. Her pussy was so tight, hot and wet. The four girls I slept with before wasn't this good and Sasha was even moving better.

"Sasha you feel so good, you are amazing" I moaned.

"Justin..." she moaned.

It took one more stroke for my cock to go fully in her then I stopped her. She sat straight up.

"Mmm Sasha, your pussy is so tight."

We were dripping mad sweat.

"Justin I can feel your cock up near my stomach, I feel so full...so good" she moaned.

I pulled her to me and we kissed. I slid my tongue in her mouth and our tongues met. As we broke the kiss, I sucked her bottom lip gently and released. Sasha then smiled. I placed my hands back on her hips and she started to slide up and down my cock. We were both moaning and after a minute I slid my hands up her back and pulled her to me. She put her forehead on my left shoulder and grabbed the backing of the seat. By gripping the backing she was able to push and pull. As she continue to ride my cock, moaning like an animal, I slid my hands down to her little butt and squeezed.

"Ow mmm" she giggled and moaned.

I was getting real close to an orgasm, she seemed close too, but I wasn't sure. So I figured I'd help her along even more. I brought my right hand to my mouth and I wet my middle finger real good. I then put my hand back down to her butt, slid my middle finger in between her butt cheeks. I moved my finger around till I felt her asshole and then I massaged it.

"Mmm that's nice" she moaned.

Sasha picked up speed. I sensed she was about to cum, so I slid my finger deep into her anus. She kept moaning my name as I kept sliding my finger deeper in her ass. She then went buck wild on my cock.

"Justin...I'm gonna pee" she moaned.

Sasha slammed down, forcing my cock to go deep into her. Her whole body went tense and her pussy gripped my cock so tight that it constricted the blood flow, her anus even locked around my finger. My cock became very sensitive. Her grip kept me in that state of being rock hard, the feeling right before an orgasm.

"Ohhhh Sasha...my god" I moaned.

As her pussy released me and began to pulsate, she started to ride my throbbing cock while I was having the most powerful orgasm ever. As we were coming down from our orgasms, I wrapped my arms around her as my cum drained into her. We stayed in each arms while we caught our breath.

"Mmm Justin...your sperm is hot" she whispered.

"How was your very first orgasm."

"Oh my god, sooo amazing."

Sasha pushed herself up and sat straddling me.

"Justin, I can feel your cock shrinking" she giggled.

"Yeah, you tired him out."

"Awe we can't make love again" she questioned.

"Oh no...need to rest my cock...he needs to recharge" I chuckled.

She turned sad.

"Awe Sash, don't be sad, look at it this way...we can make love anytime we want now...WHEN we are alone, of course."

A smile went on her face, she leaned in and kissed me.

"Okay, I need you to climb down and squat in the grass to let my sperm leak out or your bikini and my lap will get soaked."

As she squatted down and watched the cum ran out of her, she noticed a little blood in our juices.

"Justin...why is there blood."

I forgot about that happening. I too had a little blood on the base of my cock. I pulled and shimmied my shorts up then rolled over to take a look. There was just a little bit in there.

"Oh that happens when your hymen breaks."

I was happy to see she wasn't a bad bleeder.

"We should go to the pool" she said.

"Good Idea."

We finished getting our clothes on and I made sure her bikini was on good. Sasha hopped back up on my lap then we headed to the pool. It took us about 10 minutes to get there and as we did we snuck up on our my mom and aunt to scare them.

"Boo" we said.

"Oh you shits" mom said as they jumped.

Sasha and I laughed.

"Back so soon" mom asked.

"We were hot and sweaty, wanted to get refreshed" I said.

"Oh okay" mom said.

We went near the edge of the pool and I got down on the ground. I removed my shoes, sock and shirt. I then scooted to the edge, turned around and eased myself into the pool. The water came up to my neck as I held onto the edge facing it. It was about 3 feet of water. Sasha took off her skirt and jumped right in.

"Show off" I said.

She giggled.

Sasha came over next to me and put her back against the pool wall. She reached her left hand into my shorts and started to rub her hand all over my genitals.

"I'll clean you Justin" she whispered and smiled.

"Mm okay, thanks...but be gentle, testicles are sensitive...the things that hang under the cock" I whispered.

"Ohhhh okay, I'll be gentle."

When she finished, she turned around and did herself. We got out of the pool and sunbathed at the poolside.

---

.......Part 2?