bedtime..true story SeXStoRY

I was probably 18 or 19 when my mother and father split, me, my 2 s****rs and my mum,found a very small one bedroom flat. The bedroom consisted of a single bed and a double bed. I slept in the single and my mum and 2 s****rs slept in the double. the beds were almost touching because the room was so small. After a few weeks, I started to look at my mother who would come into the living room half naked, showing her boobs, my little cock would start to get hard at every chance, then one night, we all went to bed, I was in the single bed, my mum and 2 s****rs was in the double. I lay there, listening to the slow breathing of my mum, thinking she was asl**p, I slid my hand over gently under her sheet, waited..nothing moved..I moved closer to her pussy, over her thigh...again, nothing..my hand eventually touched her pussy, I was in heaven...My hand just layed there, not daring to move...Then, I felt brave enough to slide a finger inside my mums pussy..she slowly moved her legs open, and Im sure she moaned...her breathing was heavy, I was so horny that I almost came...she moved again, and I felt for the first time a a wet pussy, this went on for some weeks...