I went over to my friends house to borrow some hunting gear. He was not home so he told me where the spare key was and to go ahead and let myself in. He told me his wife was out shopping so no one would be home. Well see was home and i ended up walking in on her masturbating. She was lay completely naked on the couch, leg wide open with a couple of fingers inside herself. She must of been feeling really goo because she did not hear me come in so i got a real good look. Finally after a minute or two i said excuse me and she jumped and tried to cover herself. She was completely embarrassed and at first got really mad. but after i told her i was sorry and that she looked great, she jusr smiled and asked what i saw. I told her everything. She was completely embarrassed and asked what i was doing there. I told her and after a little chit chat she realized she was still sitting there naked. She asked if i like to watch women masturbate and of course i said yes. She asked if i would like to watch her and i just smiled. She laid back and uncover herself and starting rubbing on her pussy. Now she is in her mid 20's and i am 47, so i have not seen a 20 something woman in a long time. She was starting to get herself off when i asked her if i could jo while i watched her. She said yes. I pulled my cock out , which was already rock hard and stated stroking it. she was watching me and i was watching her. It did not take long a i told her i was going to cum. She told me to cum on her so i walked over and she spread her pussy open and i came all over her wet pussy. I told her we could never tell her husband or my wife what had happened. It is the one and only time we have done anything like that and has not happened since. I just happened to be in the right place at the right time and caught her in a nasty mood.