Thanks mate!First of all, good luck with development mate!
You are already planning quite a few different POVs (even if Elena is the main MC), if you add a whole extra set of different "paths" it could possibly lead to a mess down the line.
Personal suggestion (but is literally just that, a suggestion) is to decide which of the dichotomies you'd rather highlight in your VN.
Do you prefer to focus on the submissive/dominant split or the kind/harsh one?
From a strictly kink based POV the first is probably the one that could attract more folks to your VN, and it's also the one that's probably easier to achieve without having to ditch the other completely:
Character X is a kind person and can be either submissive or dominant, the player gets to choose
That doesn't mean the other option is worse, it can actually make for a better story, since everyone pretty much falls within the kind/harsh dichotomy to diferent degrees:
Character X is a dominant person and can be either kind or harsh, the pleyer gets to choose.
I understand what you mean, but I’d like to try keeping both dualities as the core concept. Depending on the path chosen, certain aspects will be highlighted while others are closed off, allowing players to explore their preferred routes.
For me, the submissive/dominant duality leans more toward intimate relationships and sexual dynamics, while the kind/harsh duality focuses more on friendliness and team behavior. And both are compatible imo.