I wanted to reply to this, since you got dog-piled a bit. Unfortunately, NTR kinda falls into that group of kinks that I just don't really get. So even if I were to do it, it'd come off as kind of limp and half-hearted, and would likely leave you unsatisfied. My personal preference is doing it from the other side, where we control the character who's sleeping with someone else's girlfriend/wife, with the goal of humiliating/dominating the girl or her partner.
This will probably get me some face-palm reactions, but I have some plans for optional MMF/FFM/gangbang scenes, predominantly in the darker paths. But, those would all be at the direction of the player, with the goal of dominating certain love interests. So, not really the same goal of NTR.
So, yeah. My personal position is not to indulge in fetishes I don't get, if I can't find some way to engage with them. I also don't really like femdom stuff, but I have a good friend who's done dominatrix-y stuff before. So, when I did the scene where Brittani channels her moody goth persona to degrade the MC, I was able to ask her what kind of stuff she might say, what a guy who's into that would want to hear, etc.