I think its definitely the right call here. You listed off 2 potential fat types each for Amber & Victoria. are we going to be able to swap between them? is it a diet based thing or a story based thing? how does it work?
I believe the weight gain type is supplemented by how you interact with the character like for Amber. For instance, you can make her go a strong fat root by convincing her to keep working out or more fat approach by convincing her to stop working out
