Another two weeks had passed since that wonderful night that Katie and I made love for the first time. Since then we had enjoyed many wonderful nights together, both at her place and mine and a couple of more times in my gym as well. I wasn't working with her as a client anymore since it really wouldn't have been appropriate, but working out with her instead of having to coach her was even better. Every time once we were done we would look at each other with hungry eyes and end up making love either in the shower, in the change rooms on the benches or even in the middle of the gym floor if we couldn't make it that far. She never seemed to get enough of me, and I certainly felt like I had lost ten years off of my life being with such a gorgeous young woman.
The only thing I was having issues with was her profession. The feelings I had when she told me she had a "date" during the evenings or during the day just made me not only jealous, but also concerned that something was going to happen to her. I knew that she always used protection when she was with a regular client. When I asked her why she let me fuck her the first time without protection she said that she just knew that I was special and that even the first time she really wanted to kiss me (something she also saved only for me) but didn't want to break her rules yet.
Every time I tried to ask her more about her clients she completely turned me off. She explained that just like my profession, her people were entitled to privacy. That was what most of them were paying for. She didn't even have sex with most of them according to her, most of them were happy for a beautiful young girl on their arm and she could easily get them off with her hand or her mouth if they wanted to. After her and I started seeing each other she wouldn't go on any more fantasy dates where the guys had any fetishes or strange requests. She also promised that she would never see me immediately after a date. This unfortunately meant that some nights I would be at home alone and knew that she was out with a client. I did my best to put it out of my head and just enjoy her when we were together.
Most times we were together and not naked we talked about everything. Even though it had been very soon that we found each other we were already talking about things like after she finished graduate school, where we wanted to settle down and how old she wanted to be when starting a family. I hadn't told my family anything about her other than that there was a new woman in my life. We shared our fantasies and the ways we liked to be touched and held. It was heaven just to have her held in my arms, and we would make out for what felt like hours, because it was one way to know that she was giving me something that nobody else ever got from her.
One thing she had never mentioned was any of her friends. I assumed that being over 15 years my junior she had friends who wanted to go out, party and drink, which wasn't what I was into at all. Since she was more mature than most and so focused on school she didn't have time to go out and socialize. So the afternoon that she walked into the gym with another girl really surprised me. What also surprised me was what the other girl looked like.
While Katie was fairly petite, with long legs, a tight ass and firm but slightly small breasts, her friend walked in with breasts that were popping out of the tight tank top she was wearing. Her hair was long and blonde and flowed well past her shoulders and her eyes were dark brown. Her ass was also larger and stood out proudly, filling her pants up and leaving nothing to the imagination. As big as she was up top, she was just as big on the bottom. Her ass was spectacular but large and round, and a complete contrast to Katie's firm, muscular butt.
The male client I was with also stopped as the two of them walked in together. Both of them were wearing almost matching clothing, which were the gym colours of the university that Katie went to. The difference was that they were both wearing tight black shorts that looked like they were painted on and matching colourful sports bras. Katie's friend had breasts that filled her top completely and threatened to pop out if she moved the wrong way. We didn't have a lot of time left so I manoeuvred my client to where he could see them while we stretched and we both openly ogled these two young women while they hopped on the cardio equipment. It was a sight to see them bouncing away and chatting while they must have known that our eyes were falling out of our heads.
"You're going to have a fun afternoon." My client joked as he got up and headed to change and leave. Walking over to the treadmill I smiled and greeted them.
"Hi ladies." I said with a smile. "I don't think we've met" looking at Katie's friend. She smiled. It was hard to look her in the eyes with her large breasts pointing out straight at me.
"I'm Kelly." She said with a smile.
"I know Kelly from school." Katie said. "She was in a few classes of mine and sometimes we work out together. I thought it might be fun today if we added another person. You can show her some of the same things you did for me." I caught the tail end of a sly smile crossing over her face. It made my cock start to get hard just thinking about the possibilities. Could Kelly be one of Katie's coworkers and they were just making it up?
Kelly spoke up "Because of these babies" she pointed at her chest "I have chronic back problems. I'm actually on the list for reduction surgery but since I'm young they don't care." It gave me a chance to stare straight at her gorgeous mounds with a professional air about me.
"Well, let me show you some things that might help you. Katie, do you want to keep doing cardio and I'll help your friend out?" She nodded and I had Kelly step off the machine and join me on the floor. Her voluptuous body was such a contrast to the one I was used to seeing, but it was still quite erotic. Her blonde hair was also a big attraction to me.
"Do you need me to take my clothes off?" She said with an innocent look on her face. I lost my power of speech for a second and quickly recovered and nodded. Reaching down she slowly stripped off her tank top, revealing her breasts barely encased in a large sports bra top. Her belly button was pierced as well and she had a Playboy bunny tanned into her hip on the front, which made me realize that she was probably tanned all over. She turned around, sticking her large ass out at me and slowly pulled down her long pants, revealing a pair of booty shorts that were cut just enough to show off each individual ass cheek. There was a slight bit of fat on each one but they were both round and solid and shook as she stood up. I could see Katie's face looking over at me and she grinned, knowing that I was being tortured right now. I also wondered if this was just a ruse in order to give me a bit of a fun time.
I started to show her some basic back exercises, taking care to touch her only professionally while we were doing some movements. Even so, it was hard not to occasionally brush up against her breasts and ass while I spotted her. When she was lying forward on a bench to do an extension her ass was right in my face and it was all I could do not to just bury my face in it. When she lay on her back and pushed her hips up towards me to work her glutes her full puffy pussy lips were clearly visible through her shorts.
After about 30 minutes Katie announced that she was done and said she was going to shower before they went out. I relaxed a bit because if anything was going to happen then it would have happened when we were all alone together in one room so obviously her friend was just here for some help, no matter what she was wearing. Katie exited the room and I heard the locker room door close.
It just so happened at that point Kelly was on all fours beside me on a mat. Her large breasts hung down and her back was arched to let her ass stick out as she lifted her arms and legs to work on her lower back. She had a small bead of sweat collecting in the curve of her lower back and was breathing hard while she moved. When she finished she turned over on her side and looked at me.
