Not sure if you've incorporated the concept into the story, but the notion of "lovebombing" or the MC showering her or any of the characters with affection to make them want to do more for them, would be a good way to amplify the toxicity while also having a bit of a wholesome-ish vibe.
By having the MC actually mean it, even though they're becoming more and more objectified in the process with the feedback loop of the MC showering them with "words of affirmation" as a character becoming increasingly bimbofied/transformed/enhanced/etc it can still keep the tone to an extent while giving that manner of increasing the desire for further corruption, possibly after the initial "breaking" of them? Idk if dev is into that as a concept to add in, but I really get into the whole aspect of broken people just falling into a bit of a "love spiral" as a sort of coping/healing mechanism in the midst of the harshness.
It could even be a way for the MC to finalize their "fall" for them to where they'll eagerly go with their whims without any future "conditioning" required.
By having the MC actually mean it, even though they're becoming more and more objectified in the process with the feedback loop of the MC showering them with "words of affirmation" as a character becoming increasingly bimbofied/transformed/enhanced/etc it can still keep the tone to an extent while giving that manner of increasing the desire for further corruption, possibly after the initial "breaking" of them? Idk if dev is into that as a concept to add in, but I really get into the whole aspect of broken people just falling into a bit of a "love spiral" as a sort of coping/healing mechanism in the midst of the harshness.
It could even be a way for the MC to finalize their "fall" for them to where they'll eagerly go with their whims without any future "conditioning" required.
