. the scene was so erotic without thinking I extracted my rock hard cock and began to beat my meat at what was going on. The women now kissed and Fran...straddled my wife,s face so she could slide her tongue into the lovely woman’s cunt to slurp her tight pussy. Then it was Frank turn to move down and feast on my wife,s juices fanny making loud sucking sounds as she did so. I didn,t realise that unnoticed by them I,d moved next to the bed in full view if they looked up and as a result Sarah. In the evening, I pick up my sister and niece from her school at 5 pm and reach home.My brother-in-law returns at 9 pm or later (if he stays with his friends for a drink). Since he returns late, he sleeps in a separate room while my sister, niece, and I sleep in one room.This incident took place 1 year back in January 2019. Like every regular Saturday, my sister and brother-in-law were having drinking and watching a movie on high volume in a closed room, leaving me and my niece sleeping in. He stops and says “I know you’re enjoying this you bitch but I’m going to do something to you that you won’t ever forget” and then starts to bury his thumb in me, I try to pull away but he forces all 5 fingers inside me.I’m in so much pain now, I’m begging him to stop, he keeps pushing deeper and then with one hard push and the sound of suction, he’s whole huge masculine hand is buried wrist deep into my pussy, I scream and he slaps me with his other hand, I shut up and then he starts to fist. It would have been even better if Julie had been there, though!Jen had just left school - or at least she would at the end of term, but was excused from attending as she had nothing further to do there; she was just over a year younger than me, and hoping to go to University in October, so she was as keen as I was to build up some cash to supplement the student maintenance grant.Through Dad keeping his ear to the ground, we had both got summer jobs at the local vegetable factory starting on the.