How I made her A Horny Slut Girl

This story happened in Chennai 3 years ago. I was moving around with a girl whose name is Priti(name changed). She is 5’7 with a lean structure, nice but little bit over sized boobs for her 58 kgs weight and a good ass which is firm and smooth. I was not serious about this girl and neither she was however, she is real horny so I use to often go out with her mostly on weekends occasionally on week days and while coming back home in the late evenings I used to park my car in some dark/unlit roads and make her suck my cock, I used to press her boobs nicely or make her lie down with my cock in her mouth while I massage her buttocks nicely and play with her ass hole. This used to be our routine for about six months and then this happened one day.
She used to drive a scooty and one fine week she had her scooty left for some servicing as it got badly damaged with one of her friends banging it some other vehicle. Mostly during week days we meet for a coffee and I drop her back in her office or any mall where she had parked her vehicle and she goes back in her vehicle as her house and my house are on opposite directions. Because, she did not had vehicle that week I used to meet her and drop her in a bus stop from where she can take a bus back to her house and as she is travelling on a bus we did try to finish our meets a bit earlier than normal (around 7 PM itself and our usual is 8:30 PM). this being the peak hours all buses usually would be full of rush. One day i dropped her and went off and I stopped after about a KM for smoke and I saw her bus which passed by and stopped in a bus stop nearby. From the place where I was standing and having a smoke I could see her in that jam packed bus.
When the bus went past me I saw a couple of guys standing just closer to her and both got down on that stop. The bus left and I was still having my smoke while these two guys came to the same shop where I was having a smoke and both of them were giggling and laughing happily. At first I did not bother much and when they passed me to go in to the shop, I heard one guy saying to the other “she was simply silent as pumped as if she is not even aware” I could not exactly understand what the context was then I decided to go in and sit near them take a juice and another smoke so as to overhear them. Now I was near them in the next table. the other guy is now talking he said “I could not do much as you wasted all the time but I did grabbed her ass a few times and she just did not react much for that too” now the first guy said “you wont believe my cock was rock hard and kept it in her ass and was rubbing for almost 20 mins and also pumped it nicely a few times and she was hardly bothered”.
Then the other guy said “she must be enjoying as well and she may be used to such stuffs in bus. God knows till where is she going and who would be enjoying her ass this minute”. I now clearly understood everything however; I have no clue whom they are talking about. This whole thing was going round and round in my head. Later that night I was talking to priti on phone as usual, and I told her that it may be difficult for her without her vehicle and the bus is always crowded. She then told me that its ok and its only for another 4 days and she used to go by bus regularly during her college days. I asked her generally that I heard from some friends, that there used to lot of ass grabbing and grinding in the bus then she told me yes it is quite common and also unavoidable and she too have faced it few times too.
That night I was thinking about the conversation for a very long time and somehow I felt I should try this as well. The next day I went to office in an auto and told her that I wanna come with her in the bus and enjoy the closeness with her and she agreed. we met in the evening and after a bit of chat we decided to take the bus and I told her that lets behave like strangers and not talk with each other. She was asking me why I say so? but I just told her to follow my instructions then we waited for a really rush bus and got inside.
We bought our tickets separately and pushed the crowd and went inside to the middle of the bus where there was absolutely no place. I stood behind her and I could now feel my cock pressing her buttocks and she just stood there without talking to me and in few minutes my cock was rock hard in the warmness and softness of her buttocks and started rubbing her buttocks for which she did not say anything and it went on for another 10 minutes then came a stop where more people got inside and there was this girl who came and  stood very close to her such that now my thighs was touching the other girl’s buttocks while my cock is grinding priti’s buttocks and there was a guy who was standing behind that girl and I noticed he was also grinding that other girl.
After few mins that guy slowly whispered in my ears “if we could swap places?”. I was so excited about that idea and I nodded my head without thinking much then he asked me if she(priti) is a good company and also told me that the other girl is , as he takes the same route everyday and had often stood behind her. I was then thinking how would priti react to this and was very curious to see. So i slowly moved a bit and gave him access and whispered in his ear that yes this one is quite cooperative as well. the guy then took my position while I took his and priti was unaware of this and this guy was already hard so he straight away pressed priti’s buttocks with his cock and started moving it in circling motion. I was standing right next to him with my cock buried on the other girl’s buttocks and watching him do this to the girl whom I had sex with extensively.
I then messaged priti that another guy is grinding her and asked her cooperate as I like to watch it. by then she is already quite turned on and she was now slightly bending to give a good access. She then checked her message and looked at me and I nodded me head with affirmation asking her to cooperate. she was having this hesitating look in her face and i again messaged her that she might have faced this a number of times so for once take it as an opportunity for her to enjoy as well more so coz I like this whole idea and for my sake she do this.
She was slightly confused but kept quiet and this guy now put his hand inside his pant pocket and adjusted his cock suck that its upright and kept it on the center of her buttocks and started moving it up and down all over her buttocks and the bad roads were really helping him. I myself was extremely turned on and was having the least interest on the other girl so I slowly whispered in his ears asking him to take the left side of her buttocks and I will take the right side and then he said ok and gave me access I moved slowly to feel her fleshy buttocks on my hard cock.
Now i could feel she is actually cooperating nicely because the position in which she was standing is giving the best access to her buttocks. now two hard cocks were making it pumping job on her buttocks for the next 15 minutes it went on and after few minutes she started thrusting back her buttocks to both of us such that both of us can press our cocks nicely. In a couple of minutes that guy told me to move and give her to him for 2 minutes as he is about to cum out and now he said it such that priti can hear it as well.
I moved a bit and gave him access. I knew priti heard it and I wanted to see how cum hungry she is? and  how would she help him release his sperm?. He got very close to her and now that he is aware that she cooperates he boldly kept his cock buried on her buttocks and held her right hip with one of his hand to get nice grip for his dry fucking and started pumping her as such he is butt fucking her. I saw priti was totally unsure of what is happening and how to react.
I quickly messaged her that am liking her act a lot and want her to continue. now the guy is dry fucking her buttocks very fast and is nearing his sperm shoot. she was quite turned on by then I know her facial reactions very well after all I had sex with her many times and to my surprise when he was almost nearing his climax priti dropped her purse down as if it was accidental and tried to bend down to pick it up such that she gives her buttocks nicely for the guy to press his cock and as she did this(nice butt whore she became that day), in flash the guy shoot on his pants and he whispered in my ears that he is done and she is all mine now then left in a minute.
I moved behind her and kept my cock on her buttocks and held her tightly around her waist and pumped her nicely, I had put my hands inside my pockets to free my cock from my underwear then started stroking her hardly with my cock and when I neared my sperm shoot priti helped me by bending down and pressing my cock firmly, as if she is seeing out to check if the stop in which she need to get down had come. I shoot on my pants as well(luckily it was jet black pants so the wetness was not so visible in the dark) and then we got down and I told her that I loved this whole thing and she said she liked it too but she was quite uncomfortable with the stranger doing it. We then went home and that night we had a nice, dirty phone-sex expressing a lot about our perverted act and I got the slut in her talking loud.
The next day I asked priti to wear a skirt not a short skirt but a long one and in the evening I took her out in my car and made her suck my cock two times while I pressed and kissed her buttocks like crazy. I then removed her panty and kept it my car(that was the reason why I asked her to wear a skirt). she asked me so many times to give it back but I said no and I dropped her near the bus stop and asked her to wait there. I went back to my office and parked my car there and informed the guard that it will be there tonight and took an auto to go near the bus stop where she was waiting for me.
I told her that we will take a crowded bus again and told her to be her perverted self like last night during the phone-sex and enjoy as many cock as possible including mine. I know she is already quite turned on as she sucked my cock with loud slurps and drunk hot sperm without wasting a drop couple of times that evening and the very fact that she is not wearing an underwear and on top of it me asking her take out all her perversion made her extremely excited and she herself told me that she is quite excited and feeling devilish completely. The bus came jam packed and we got inside…. To be continued..
Let me know if you all liked this so far and I will continue the remaining in a couple of days as I have some work now. Please note only if you all found this interesting I will continue this else no point writing boring contents even if it’s real.