I was looking forward to Wednesday morning and seeing her in her running outfit again.In the morning, I put on my exercise clothes and headed out for ...my running walk. My running was quickly getting better. I hadn’t stopped for long so it didn’t take very long for me to build up to a decent pace.When I left the complex, I turned in the direction from which I had seen Sandy coming the last two mornings. I was setting an easy pace for this morning and hadn’t found a need to walk yet. I ran a few. Then she rose up until only the head of my cock was still in her mouth.“Mmmmmm,” Donna hummed happily as she lovingly sucked my cock head between her sweet lips. The vibrations added an extra thrill along with her playful tongue dancing along the crown. Her eyes remained closed the whole time she worshiped my dick. Even with her closed eyes I could see the joy in her face as she sucked me off. I wondered, ‘do I look this happy going down on her?’ Probably.Sitting back on her heels, Donna let my. I knew this was the start of some good regular sex for me, exiting times ....Of course I couldn't let her pay nothing at all, my accountant(let alone my wife) would be asking questions! So I agreed to reduce the rent by a third in return for monthly sex, Carly actually said I could call anytime so that told me she was completely happy with it.Anyway, the experience made me realise the advantages of having young female tenants! So some time later I was renting out a 2 bed flat and I worded the. After the usual foreplay I mounted her and gave her an orgasm missionary style. I did not get an orgasm. She then assumed the "doggy style" posture with her hands on the seat of a chair. We prepared ourselves with abundant lubrication for my cock and her anus. I got behind her and first pushed a well lubricated butt-plug into her. I switched a few butt-plugs, each one slightly bigger and longer than the previous one. I could see that she was adjusting gradually to the biggest butt-plug I had. I.