We decided to give her something she could never dream of.The day of the party we (Five of us girls) took her for a day at the salon for hair, massage... and make over. We then all went shopping for our dresses for the night and some new lingerie for the occasion. By the time we got done we were all feeling very hot and very sexy. So of course it was time to go out. We started with some food and then headed to a few bars.What my sister didn't know what that all of this was planned. We had all. She came in an exploding orgasm. Soon she could not control her desire. She remembered Vinu pissing with a thick cock in his had. She had lost all control now.She called to Vinu and he came down thinking she wanted some water. He came into the room and was shocked to see his mother totally naked, with her fat thighs spread open and cunt lips open with the pink inside and her clit standing like a cock. Ohhhhh Vinu, I need help. Please fuck me more, I don’t know what happened, but I have. He wrapped his other hand around her waist and pulled her into his chest. He could feel her breasts as he held her tightly - her body seemed to go liquid and she moulded herself around him. To his surprise she took over - turning their initially soft and tender kiss into something more urgent and primal.He felt her tongue flick over his and he let out a small groan of lust. He felt her lips tighten slightly as she gave that little half-smile he found so sexy - pleased with the effect she had on. My sister’s bedroom faced the north, while my bedroom faced the south-east corner. Because the windows in her room sucked – literally – her room was always cold in the winter.To prevent her from freezing in the winter, the heat was always turned way up. While it made her bedroom almost livable, it turned my bedroom into a furnace. Therefore, it was not unusual for her to be sleeping under several blankets while I slept without even bothering with a sheet.On this particular night, a.