I think I see what the schtick is.
This is a combination of the villainess resetting to make her life better but it's also an Otome game and the heroine has reincarnated into the world.
But she realizes the world has changed so she's trying to figure out why while the game world itself slowly...
@Riri To be fair, Jayna should be considering that very seriously and wondering if maybe Cassiel was as much a victim of Angela as she was.
I think it's an actual character flaw of Jayna that helps move the story while also making her seem a bit believable.