This will be a writing assignment in which you will write about Mistress having sex with another man. It should be good and hot and steamy, make sure Mistress is well pleased in the story. You however will have to stand or sit and watch her get fucked by another man. You will be dressed as a sissy in the story after all that is what you are. This will be about Mistress cuckolding you. Of course make sure there is plenty of humiliation and shame for you in the story and at the end make sure you clean that other mans cum up like a good sissy.