Ina catches me in the act

Ina must have forgotten Ally was away and popped over after work last night.
Being a friend she didn't knock on the front door but came around the back to the deck.
I was in my study that has a large window onto the deck and was at my desk facing away from the window at an angle so I didn't get reflections in my screen.
I was naked and covered in oil, I was thrusting into my latest toy a Fleshlight vagina mastication aid. I have no idea how long Ina watched me, if she was there for a while she would have seen me cum several times while I masturbated and watched a hot Penny Flame DVD. I don't know what made me look around but when I did there was Ina not looking in the window but just sitting on the sun lounger with her shirt open and showing her bra and trim stomach. At that point I thought she hadn't seen what I was up too. (I prayed not as my desktop is a picture of her bending down to pick up a tennis ball clearly showing the outline of her sweaty pussy lips! It is a high res pic and I am sure that she has a clean shaven pussy with perhaps a landing strip of soft blond hair.) Keeping my eye on her I slipped into the bathroom and put on the only cloths there a short bathrobe.
As I opened the bathroom door and checked to see if she was still lying there I got the fright of my life as a sharp rap tap tap tapper tap came from my window and I spun around to see Ina, face against the window, waving to get my attention.
I had forget to tie the rob in my hurry and the quick turn flung it open presenting Ina with my crimson read and very erect cock full frontal less than 3 feet from her face.
Her Face took on a surprised but not shocked expression as I realized what I had done and turned bright red as I quickly covered up.
When I dared look back with a apologetic grimace, Ina to my surprise and delight was standing back smiling and clapping and I could hear her chanting encore encore!!
I didn't believe what I was seeing and hearing so I motioned for Ina to come into the kitchen and I left my study totally forgetting that Penny Flame was still getting her pussy eaten by several guys and girls on my TV and that Ina's lovely ass and nicker clad pussy were still in view on my computer screen.

As I walked to the kitchen my mind raced for an explanation as I struggled to tie the bathrobe so my hard on was at least help against my belly.
On entering the kitchen Ina rushed over and started apologizing, assuring me she wasn't taking the piss out of me. I said it was ok and that I was so embarrassed and that I was so relieved that she hadn't been offended. I offered her coffee and we sat at the table doing small talk until the kettle boiled. Ina offered to make the coffee and as she walked back told me that seeing me so big hard had been quite a thrill.
Ina sat again this time on the same side of the bench sipped her coffee and told me that she hadn't had a man in over 2 years and that she understood the need for release. My stomach went cold. She must have been watching I realized turning bright crimson.
Ina saw my reaction and said that she was not offended by what she saw, after all it was she that had come unannounced to the rear of my home and went on to tell me that anything she saw would stay between the two of us.
God Ina how much did you see, how long were you there before I saw you?
Ina smiled that killer smile of her's and said in a low deep voice that she had seen enough to be very impressed by my staying power and now deeply blushing herself, told me that she often masturbated at home and enjoyed watching porno's especially ones of girls being eaten and finger fucked or masturbating with toys.
We both sat there silent after our admissions, Ina put her cup down and and in a husky sexy growl asked if she could watch the movie I had running when she disturbed me. Sure I said come on into my study, I can fix us a drink if you like Ina I said, that would be nice so we sat on the sofa in my study and I restarted the movie from where Penny is having orgasm after orgasm. Ina pointed over to my PC, nice desktop pic is that me ? I didn't know you liked the look of my bum that much! Smiling Ina said that I could look at her bum all I want if I didn't mind showing me that marvelous cock of yours in return.
I must have blushed bright red as Ina giggled and went over to have a closer look at her picture on my PC. As she lent over, her skirt rode up exposing her white cotton nickers and lean muscular thighs. Ina turned and caught me staring at her bared legs and smiled reached for the hem of her skirt and turned half around lent forward so she had her chest on my computer desk, slowly she moved her hips side to side as tucked her skirt into the waist of her nickers pulling then deeper into that gorgeous cleft. That better than a pic on a screen Ina asked. I was almost speechless but managed to tell her that she had the most fantastic body I had ever seen. Ina stood up and walked back over sat next to me and kissed me lightly on the cheek. Ina smiled and told me that she would really like to see me use that big black toy that she had made me cum over and over. You really are a surprise Ina I said to her as I retrieved my Fleshlight from the draw along with some KY and sat one leg up on the sofa facing Ina and opened the bathrobe..........