This is more of a fantasy but you'll be able to discern some of my fetishes.
I want to kidnap hundreds of straight males (preferably public figures, men in position of power, sons of such men etc.) and subject them to an intensive sissification process against their will (probably). This process would be both scientific in its approach but also hot as fuck since every step of it would be recorded in video, with each video being uploaded permanently to the internet on a free public platform.
It would include humiliation, hormone therapy, implants, whatever you can think of. There would also be a mandatory castration at some point, with me either collecting or eating the testicles (not raw of course). Incidentally, cannibalism is a new kink I've been developing recently, ever since I watched a gore clip of a man getting castrated with a butcher knife. It... disturbs me quite a bit.
Anyway, the coup-de-grace would be their deflowering by one of the house studs (Ramon or Christian, you know the type). The short feature would be directed in a Trans500 fashion and aesthetic.
Once that has taken place, the sissies would be returned to their relatives. It would be interesting to see how many of them would try to return to their previous state and how many would just accept their new life.