Responses
It occured to me that many fantasy novels, manwahs and manhuas use the sometimes sick white lotus jealous petty spoiled evil step-half-sister type harming the once innocent FL...
These stories say literally trust no women in your life. Except those who are trusty supporting sidekicks (the only female best friend) who have almost no life on their own and agency.

Cheerful Countess Sisters
Is It a Fortune or Is It a Woe?
The Stereotypical Life of a Reincarnated Lady
Kingdom Of The Queen