This was really a surprise for me! We've been having sex for some time but I never suspected that my brother liked to take it in the ass. It was a friend of us that started the situation at home. He told me it wasn't the first time, I didn't believe him because I thought I knew my brother but when they gave a big new strap-on to wear it I realized it was serious and my brother really likes to take it in the ass from a woman.