When I read Maryanne Peters' story "A Special Kind of Revenge" (https://bigclosetr.us/topshelf/fiction/86869/special-kind-revenge), it enraged me so much, I couldn't keep myself from painting darker and darker plots of revenge on behalf of the brothers. I got so worked up, I had to write it out of my system. While writing it down, the story became less and less dark than in my first intentions. (But) I hope you will (still) enjoy it.
Further remark: Of course, the copyright of the original story and characters belongs to Maryanne Peters. Since she didn't name her characters, I had to come up with names on my own. Thus, while she didn't name the surgeon, but wrote it from the ego-perspective (first person) I named the surgeon after her (just in honor to her as an author, not because she is that surgeon (at least as far as I know or not know)).
Anyway, please be aware, this is a work of pure fiction, any resemblance with dead or living persons (especially Maryanne Peters), with any objects, places and events are completely coincidental and unintended.
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In "A Special Kind of Revenge" (https://bigclosetr.us/topshelf/fiction/86869/special-kind-revenge) Maryanne Peters lets a surgeon deal with males by performing MTF transformations on request as salvation, punishment, revenge or prophylaxis, if the price is right. One of her customers orders the transformation of a pair of brothers into sisters. The surgeon wonders briefly, if the customer bit off more than he could possibly chew. The 'sisters' were quite a handful on delivery. This is where this story took off from and is written from the customer's point of view.