” She ran up the back stairs and out the door leading to the back yard.I heard someone on the stairs. I saw bare feet slowly coming down the steps. ...I knew it was one of my sisters. I was still standing naked and very horny, with my ass resting on the edge of the old desk with my feet spread apart. I continued jerking on my cock.My sister Ellen stepped in view and asked, “What are you doing down here all by yourself?”I laughed and said, “I’m doing myself down here all by myself.”Staring at my. “He looks ready for a good fuck this afternoon"I stood and walked over to Meg and slipped the robe off her shoulders so it fell to the floor. She looked at Sarah and dropped to her knees. She found out last night I was bi after I had her use a strap on, on me and I have no issues pleasuring another man. You looked nervous but not opposed to another man pleasing you. “Last chance Sarah” Meg pulled me down to my knees and had me start taking your shorts off. As I pulled them down Meg. She praised me for my obedience as she locked a collar around my right arm and leg and then the left side. She then pulled the ratchet and I felt my arms being stretched out. The legs were locked out so that I was fairly wide spread. In short, I was definitely vulernable!She then fastened the collar around my neck and pulled it snug. “I have been wrong in the past Bryan. You always wanted to be submissive and to be controlled in the bedroom and I just did not give that to you. I was wrong.. I could see some cum drip down her inside leg “oh god what a fuck, best I have had ever”. I kissed her softly and played with her tits leaving her to get dressed, joining the party again until it finished, that night I fucked Karen so hard she passed out.The following morning we met some of the family for breakfast before we set off on honeymoon, arriving at the resort we booked in getting to our room, relaxing by the pool a beautiful girl caught my eye, she smiled as I watched her walk into.