she might not be the most messed up or the crazyest, but she's literally the root of all evil. like, even the dad would've just been just an uninvolved parent for evil child had it not been for her...and evil child might've just been sad child... and then the mc and ml would've never met...well...
I understand the title now, it's buy one and get two mental patients free package.
HAHAHAHAHAHA THIS MADE MY DAY