3.5! First half made me feel like I was growing out of YA but second came in clutch, i was literally gasping and shit i was so invested out of nowhere. Tbh a lot of what was dragging the story down for me was

Spoiler

the pretty forgettable and interchangeable cast of side characters who all fucking died in the finale anyway lol.

Also whoever pitched this to me spoiled the twist???? Which wasn't like NOT obvious but this whole time i was like "wait is she not...?" and then at the end it was less "whoa whaaaat" and more "ohhh there we go"