Finally at 7.30 everyone left from the office apart from both of us. We both were excited as well as little frightened as we were planning to have sex...in the office. At around 7.30 after confirming that everyone had indeed left the premises I went to a nearby medical shop and got a pack of KS. I smoked on the way as i was feeling nervous also. After I came back to office, I first locked the main door , so that even if someone comes, they won’t be able to come directly inside and will have to. .i then move my tongue slowly down and i spread ur pussy lips and i slowly slid my tongue in and out of ur pussy... in and outi start slowly sliding my tongue in and out and as i pull my tongue out slowly n softly give ur g-spot a flick... and then slid my tongue n and out faster and faster.....and then i slowly pull my tongue out n lick all around ur pussy lips and softly n suck ur pussy lips and then i move my tongue to ur g-spot and i gently suck it... n very gently nibble on ur g-spot n. She must have been early thirties and as fit as fuck. Although she had a bath robe on I could see her body was slim and she had a beautiful face. She beckoned for me to go in. I wasn't too sure if she could hear the trembling in my voice as I followed instructions and asked for the money. One it was in my pocket my confidence grew a little and I then instructed her to have as hot a shower that she could in order to loosen the muscles. She appeared to like being told what to do.A few. I knew this was the go-no-go moment that would determine if we even proceeded to consider it. It would take all three of us. If Penny backed out, this would not work. We all knew it. Most importantly, Penny knew it.Penny wiped away the last tear on her cheek and said simply, "Yes."I sat down then and said with what must have been irony in my voice, "I never thought that incest would ever be a topic that came up in our family's polite conversations." Both of the girls then blushed a deep red..