Fixing brothers erectile dysfunction

My brother wanted to thank for me for the first video that he send me a photo of his hard cock. To my surprise his cock and very bid and I dream about it every night. His birthday is coming so I make him another special video. Its an invitation and sort of gift certificate for one day with his sister to have me any way he wants. Im nervous but excited to be offering my brother myself for one day. I begin to show off what I offer to him including more anal fucking. I want my brother to break my ass with his big cock. Having sex with my brother will be the best experience of my life.