Brother In Law

I was staying with my sister and her husband last year. On my last day my sister had to go out for the afternoon leaving me and brother-in-law at home while I waited to go for my train later. So far all innocent and proper. He went out to the garden to do a bit of clearing, it was a hot afternoon, so after he had finished he said that he was going for a shower. To get to the point, I joined him. I soon had his stiff cock in my hand then in my mouth before he did me from behind. He shot his cum into me but as I knew that he had been snipped I didn't mind. It was the only time