Wow, this isn't your fluffy isekai piece. If that's what you're looking for. Look elsewhere. Think they forgot to add the tragedy and psychological tag here. Which i did. This was realistic and frankly really depressing. The only story where I hope the villainess actually perishes. And the amount of narcissistic assholes that surround her is just baffling. The only one that really listened to her was her faithful Knight. I have to say this was a really memorable read nonetheless, but not for when you're already depressed.
Kill the Villainess