Licking the split

On a night when my wife and I were having drinks and she was becoming more uninhibited with each drink something happened it was quite by accident and in no way planned, but nonetheless, it was extremely erotic.
I was feeling my very turned on and horny wife up on the lounge, her nipples were hard and her pussy was swollen and wet, I enjoyed licking her when she was this wet, when I had her naked and I was making my way down to her pussy, she stopped me and said take me to bed, we got up and into the bedroom, my wife looked at me and said tie me up, you can have my body and use it how you want.

I tied my very wet wife to our bed, spread eagle, she was so turned on, and so swollen her pussy lips were puffy and opening up all on their own, I could see a thin line of her juice making its way out of her pussy and down over her arse. I lay between her legs and kissed the inside of her thighs causing her to lift and twist her hips, I kissed her clit and then her swollen lips, she tried her best to grind her wet pussy into my face, I stuck out my tongue and licked from her opening to her clit, then I bit her clit and licked it, she moaned, she was more turned on than I had seen her in a long time.
After a while of pussy eating and fingering that very nice soaking wet pussy, I had to stop and answer the call of nature, and get a drink, I told Wendy I would be right back, I went to the loo and then to the kitchen I poured us both drinks, I put Wendy's in a cup with a lid and a straw, and headed back to our bedroom.

I walked into the bedroom and stopped dead in my tracks, I was looking at our German Shepard that had jumped up on the bed and was sitting between Wendy's legs licking her pussy, I was shocked, then the realisation of the situation hit me, maybe she thinks that's me, but I knew that was a bit far fetched, I put the drinks down and Wendy said, I did say you could do anything but I had no idea you were thinking of this, I hope you like me being licked like this is this what you wanted, what the fuck else are you going to say when confronted with this situation, Yes, I had no idea what to do next I felt my wife's tit and watched our dog lick her out, she was wet and moving her hips about so I took that as an understanding she was fully aware of what was happening.

I watched as our dog went from licking the juice on the outside to licking the juice out of my wife, his tongue was right up inside her licking, Wendy did orgasm from the licking probably more than once, I decided to untie her and give her the option of ending what was happening as in truth I was a little out of my comfort zone with this one. She lay thereafter she was freed and let the dog continue, she spread her legs wider and grabbed my cock, she stroked me a couple of times and I shot my load, no excuses no embarrassment any man would have blown his load at that point.
Once the dog had had enough he simply stopped licking and got down off the bed and walked out the bedroom, I looked at Wendy she smiled took the lid of her drink took a mouthful and said we should do that again sometime that was incredible, I didn't know you liked that sort of thing, then she said I must give you my body more often, I can't wait to see what he does next.