Hmm strong combination.
I remember a cuckold "Marcello" who is into forced bi, crying doing blowjob scenes in some movies, but was the strongest I could find. Strange that even without cuckolding I don't recall any gay pissing scenes, neither transexuals (or I haven't gone deep enough searching).
I wonder if Japan has better.
If you are into torrents there is a closed tracker named fetlife. They are focused on femdom, however I find them lacking in proper tagging the movies.
I dont doubt japan would be my best option, but like im not convinced its such a farfetched though so much that theres soo little of it that i can find, with all the fetishes and kinks it seems like a combination that would be popular, theres soo much porn of a cuckold being forced to suck dick, why cant i find porn of a wife tying up her husband, having another guy come over to fuck her infront of him and then she forces the husband to drink the other guy (the bull)s piss, or smell his farts or worse, if i cant ever find what im specifically looking for im just gonna have to get rich and make my own pornos acting out every one of my crazy desires. Cuckolding, public humiliation, toilet slavery, extreme torture, blackmailing, secret slave infront of friends, slave to a huge party. All combined into the most intense thing ever, and also broken into different little scenarios. Like i want all the most extreme stuff piled into one big brutal porn with me on the recieving end, but i also want to make videos where a stranger calls me out for staring at her feet on a public bus and am forced to kiss them. I want videos where a female friend blackmails me and makes me secretly drink beer bottles filled with her piss in a group of mutual friends and i have to act normal. I want a video of being kidnapped and made into a real slave for a week, spending every day doing their dishes amd laundry and being there punching bag. Lol point is i want alot of specifi things and i think the only way to get them is to make it happen myself