It was possible to see the bulge of my hard cock on the shiny material of the skirt and i was rubbing it softly as an older man, propably in his sixti...s apeared in the door, he seemed to know instandly what i was there for. After he swiftly came in and closed the door, he quickly undressed.I went on my knees in front of him and took his semi erected cock straight in my mouth as he took my head and pushed me towards him. His cock was not the longest but it was thick and grew even thicker in my. For a moment I thought maybe the wind had spared the occupants,but then the younger one inched closer to the other and turned to faceher. She was short and plain and stick-thin with frizzy brown hair, butshe was growing taller and thicker, arms gaining muscle and definitionvisible even under her sleeves while her torso became more substantial.As her body gained mass the modest swell at her chest disappeared, andsoon she was gesturing at her neighbor with what had to be flirtatiousintent.. Before long he relaxed further into the leather seat and with his left hand started to feel the top of Joanna thigh. Joanna’s cock was, by this time of the night, as hard as iron and seriously in need of being released and satisfied. Any other night Joanna would have brushed his hand away but not tonight. Eventually he found Joanna’s cock. “Well well. I had my suspicions when I first drove past you” Joanna, without her mouth leaving his cock, lifted herself slightly so that he was able to pull. At times, he fucked them all while they were all in his big bed. Sometimes, all at same time in an orgy of incest sex.. He was able to service them all, as they serviced their own father. He had amazing power to maintain an erection for an hour or two.To grandma, incest was a normal ordinary thing that a family would and should do. Proper training was essential to prepare the male and female for family incest. There was to be open coupling between parents, children and siblings. There was to be.