The lacy red thong arced across the room and landed on my right shoulder. Sabina smiled broadly, “I like the dress so I guess I won't wear those.”...I pulled her underwear off my shoulder then put them under my nose while looking her straight in the eyes. I caught the musky scent of her body then kissed the still warm crotch. My sister-in-laws eyes grew larger and I swear I could see her nipples stand stiff under the dress. My erection was pulsing, throbbing with every thump of my heart.. Then I kissed her breasts all over for a pretty long time. She was simply moaning aaahhhh and I started sucking her hard nipples one by one. She kept on moaning, biting her lips with her teeth and making sounds like aaaahhh etc then I kissed her thighs and crotch. Her body became firm and I sensed the she oozed some liquid.She held my buttocks as if to make way for my dick to enter her. She then separated her legs. I pulled the skin on my cock back and rubbed the red ball on her dark haired. I growled as I almost punched the screen of my laptop. Shaking my head, the tears started anew as I shut it down, popping the CD-ROM out. Now I had the evidence I just needed to end this.As I sat there I knew there was one more thing I needed to do. I had to seduce my sister in law, make her leave her sister though, after what I had heard I wasn't sure that, that was even possible.Perhaps I thought, I could make Terri fall for me then, leave the both of them? Again, that was no good, they had. I made my bed as well as I could, tidied my room, washed and dressed checking I hadn’t forgotten anything before I came down for breakfast. I did not want to make Auntie even more cross. A few minutes later Kate appeared for breakfast. It seems that she too had overslept and from her face had done something else to upset her Mum. I had never been on the ‘picnic’ but had heard Auntie saying it was a special family tradition and what fun it was. The picnic was an annual event involving Beryl,.