Author, this is not the plot twist you think you are giving.
This tried to be an Aizen reveal momento, but missed so much and lead too far into the conclusion that the mom was the actual mastermind.
And now the master mind is the fake Best friend, that was "cleared" like 30 chaps ago, lying about not hating FMC... And then TURN IT UP TO 11, MIND YOU. Fucking killing 8 people to justify a last leap after everything was looking okay-ish, because of daddy issues.
I would love to see where this is going because it's something original and it has been until now, even the sloppy parts.
There's plenty more to say about everything going on, about the stupid genius so smart that she can't understand she's doing something so pety, pointless and reckless over being unable to fit in and nobody liking her for being a jerky brainiac, the absolute lack of self-esteem of those 2 MC's and the complete absence of competent adults near them... But I'll wait to see where this is going.
Thank you for coming to my TEDTalk, have a good one.