Hey there dev, nice to see you're still working on this.
If you plan for this to have multiple endings, I urge you to consider trying to make one of them along these lines: the guy (probably the most powerful/influential one) succeeds in making her his 'slave', but she actually hasn't changed all that much except she loves him now, and in reality he's the one who changed--he's improved himself to the point where even without the shenanigans she'd have fallen for him anyway. (Bonus points for making her ask: so who was the real winner in the end, huh? Master~)
This was the premise of a slow-boil erotic fiction that I sadly have not been able to find again after my first read (if anyone can find it, please send me the link), but it was so good it stayed in my memory. A rich nerd uses all manner of drugs and magic hypnosis on top of money and social influence to make his dream girl fall for him, but in the process has to learn about every detail of what he's doing (just off the top of my head: what makes the girl tick, how to manage his team of hired actors, the properties of the substances he's using, hell, even combat and counterintelligence when the girl's BFF eventually smells the rat and starts investigating), he had to 'git gud' and got so good she would've fallen for him normally.
It was a very impactful ending when she asks who was the real winner and he reflects on the chain of events, then realizes that he's the one who actually changed. I really, really want to see how that works in other settings, so...I thought I'd suggest it to you.