I agree that full flowchart wouldn't work, but a scene replay or gallery that shows you blank spots (possibly with scene name or some other hint) would be a godsend, especially for people that do play every few (dozen) updates.
Also adding sonething like a diary to display how far one got in a series of scenes would be good for those that do not play in a single sitting.
Something like this:
It would show only how far you got, so you know what is already done after loading a save a week after making it.
Maybe with parts that you got in another playthrough grayed out? It might be tricky, as some plots are interconnected, but it would help a lot.
Small thing: when clicking on a spell during dialogue don't make it disappear if it's a failure (no effect on scene). It would save the player a lot of clicking and when one has all spells and don't use a walkthrough to know when to use them.
Lastly, an option to start a NG+ straight out from starting screen after unlocking it and better save file managnent (at least make it so we can copy-paste text) would be an amazing for QOL.
I forgot to mention, but I heard that
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and you can make game resizable (look up
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, for exampe). Is there a reason why you only release .exe that cannot do that?