As per my dads behavior it was all normal. Then the entire day I and my sis hardly seen each other.In the knight once we had our dinner.. I was watchi...g TV till 11:00 pm. Once I was sure that my parents are sleeping I turned off the TV and entered our room and I saw my sister sitting on my computer and checking her face book. I went and stand behind her and kept my hands on her shoulder. She kissed my hands and she came said I love you and hugged my tight. We hugged for 2-3 mins and I made her. Most of their dares went this way, with me finding myself undressed in strange, and exciting, places. Each dare has brought me closer to my exhibitionist inner self, and I get wet just thinking of where I might be told to get undressed.All their training has helped me a work too, where I have been working myself up to going farther than I ever dreamed I would have just a year ago. Which came in handy when I had the late shift for the week.Usually, Dr A isn’t my favourite, but he seemed so nice. Then one night I got the midnight munchies real bad. I hadn’t fucked my girlfriend for a few days, so I was kind of restless and decided to go downstairs and pig-out on some patties. Our house was two floors with Mom’s bedroom on the second floor, and Sheila’s bedroom on the ground floor, near the downstairs bathroom. In the dark, I sort of groped my way down the stairs and headed for the refrigerator. Sheila’s room is the last door before the kitchen, and as I moved down the hallway, I noticed. She repeats this several times, deep-throating his manhood. After a few minutes we see him talk to her. I can clearly lip-read him say to her, "I'm going to cum." He withdraws his cock and starts masturbating and within a few seconds sprays his cum over her face. Several thick ribbons of cum hit her over her eyes, cheeks and chin. She uses her fingers to scoop it off and sucks them dry, making sure she gets every bit off them. They look up at us and we clap for them. I say to you, "Stay.