Suddenly I saw Joe standing in the doorway. We hadn't heard him come home. "Greg. Joe's here. I want him to join in". "Ok" he replied. Joe disappeared...and came back a few minutes later. Naked.Joe came to the side of the bed. Greg was still probing my pussy. Joe moved on to the bed. I took his cock in my mouth and sucked hard. Greg looked up at me. "You dirty slut" he said as he put his cock in my pussy. Joe said "You are are a filthy whore. Keep sucking my cock". I groaned as Greg began to. For the first time I could remember, I didn't hear the door get closed or the draw bolt lock... ???? Strange, I thought. I don't know what spurred me to do it, but after a minute or so, I got off the bed and silently crept onto the landing. The bathroom door was half-open and I could clearly see the shower cubicle. There was my Mum, sensually showering herself with a large bath sponge and loads of soapy foam all over her body. In all my 23 yrs, this was the first time I had seen my Mum naked. I. Today I will cook. It will take hardly two hours”, I said while stepping out from that room. And from outside I pulled the door to be shut. I went to kitchen. Hardly some 15 minutes went, and I was cooking and with all my ears towards next room. And soon I heard a love-moan of my wife. I understood Dadu had already started love-teasing his beautiful grand-daughter!I stealthily walked towards that room, silently knelt down before its door that was shut and carefully fixed my eye on the. I saw his window was open at the top and his curtains were not fully closed, 'I bet he heard moms remark about me being a Lesbian', I thought, wondering if that would arouse him. Sex was interesting me now, since I started to have my periods, being more focused on my vaginal region was not only making me aware of its new function in my life, but as off two night ago, an awareness of sex and the potential pleasure it generates. I could feel the heat in my face, as I thought of my compulsive.