I can answer one of your concerns, at least. The “one character does more damage“ bug is a feature. Depending on which route you choose that love interest will deal more damage in battle.
I used to be a patron of his, but it's true, there's too few content (character development especially) for each route, in one year of updates even, and not much of it either.
I wonder if this is turning into another soap opera aka Blackgate. I hope not for everyones sake...
I also wish the MC had a face. Would make everything happening seem less distant and more real instead. But if they create one he hopefully isn't human! (One of the reasons I don't really like EA. I'm glad Stormsinger fixed that with Morenatsu Homecoming.)
What is your favorite character?