I've had an idea with this VN - you know the 'Butterfly Effect' (not the film, but the one which relates to the Chaos Theory)? I'm thinking about implementing it into BH as your choices can greatly affect the story. I've already got one of the assets required for it -
The asset will appear whenever you make an important choice which will affect the story later on. As an example,
when you refuse to meet Ruby, that's as an example of the Butterfly Effect as she takes offense and jumpscares you later.
Another idea was the '-insert character name here- liked/disliked your actions' which would alert the player to when they've caused a character a certain strong feeling. That would most likely depend on me being able to code in variables which would change the dialogue later on - do you think I'm being too ambitious?