Big girl, hot feet

It happened in the summer. We decided to go to the beach for a weekend with the 4 of us. My friend and his girlfriend, me and some girl I never met. She was actually my friend's girlfriend's friend. Now my friend's girlfriend was the popular girl in school. Her friend who she took along was considered quite a bit less attractive, and I had no intention of doing anything to be honest. We took the bus to the beach. My friend and I were already on the bus when his girlfriend and the other girl came in. I have a foot fetish to the point where I look at feet before I look at boobs. I noticed that both girls were wearing flip flops and that the "other girl" actually had very nice feet. A bit meaty with stubby toes that curled up a bit. Well long story short once we were at the beach the girls went to the dressing room to get in their bathing suits and we got in our trunks. We were waiting outside. My friend's girlfriend came out the dressing room as expected, looking exactly as the popular girl would. The other girl was wearing a bikini that was actually a little bit too small for her. I guess she gained some weight since she bought it. Either way, I noticed all her curves were about to escape from that way too tight bikini. All the sudden I noticed that because of her nice plump body my own swimming trunks were getting pretty tight as well. She noticed it too, and I was hoping maybe it would turn her on. It did not, because later that afternoon she told me she thought it was very rude for me to get excited over my friend's girlfriend. I told her I did get excited, but over her- not over my friends girlfriend. Later that day we decided to leave the beach and go shopping at a nearby mall. The chubby girl that got me so hard unfortunately decided to wear sock and sneakers, which I did not like because I was hoping to see a bit more of her feet. However, this turned out to be a blessing in disguise. After dinner my friend and his girlfriend decided to go out. The other girl and I decided to go back to the motel, since we were tired. (Well, she was I had other plans). When we go to the motel we decided to watch some TV. So we sat down on the bed and watched some show. The good news was that this chubby hottie took off her shoes and socks and sat down on the bed. I could see her feet and could only imagine what they smelled like. I asked her about earlier today, when I got an erection, if that offended her. She replied that knowing it was because of her actually turned her on too. She asked me what turned me on. I said it was her body that was about to burst from her bikini. The boobs that were about to fall out. The belly that hung a little bit, and the big round ass. Her chubby slightly short legs and her hot feet. When I said feet she looked a bit strange at me. She said she noticed that I look at her feet a lot even during this conversation. I told her that I am really turned on by feet and would really love to smell her feet. She said that it was okay for me to smell. I got down to her feet and took a good whiff. They had been in her socks for a few hours in warm weather, so I got what I wanted: great foot odor. They had that wonderful cheesy smell to them. As my nose touched them I noticed they were still a little bit moist. I got so turned on that I told her then and there that I had to go to the bathroom. She said that if I was going to the bathroom to jerk off I may just as well do it in front of her, while smelling her feet. I took my dick out, which had been way too cramped in my pants the whole day already. Before I started stroking I let her have a good look at it. Precum had been oozing out for minutes already and it was as hard as it was ever gonna be. She definitely could not take her eyes of it. As I looked at her feet and touched one with my other hand I started to stroke. It took less than a few seconds to finish. My balls contracted as my dick tensed up. I shot my load, which was my biggest up until then all over the mattress and some of it even ended on the floor.