Just a thought, I'd like to share with the developer:
I'm not sure, if your business model is satisfying to you. Also, to be fair, I didn't try your game, I've just read comments and reviews.
Yet, what I'm seeing here is a genre well represented by enjoyable titles like Girlvania, or pretty much any somehow recent Illusion game. People, including me, are spoiled in that field.
My suggestion: Move your paywall. It seems, your game in its free state, locks people off "basic content", which they can get for free at different places. Make up your mind, come up with an idea that is unique to the genre, and ask for donations for that particular content.
That being said, I want to add another highly subjective opinion. From my point of view, the male protagonist needs some serious cosmetic options. I'm sorry to say that, but I could never, not in any other universe, identify with the sunglass-guy. And he'd manage to shatter my boner at any time in a heartbeat, cock-blocking me from any possible enjoyment.