Seems like that Sage was a real flaw in the walls of Kasia's closed off personality. I suppose because he was already there when Kasia wasn't yet broken, so he was inside the walls from the beginning.
kasia getting suddenly nerf a lot, and a superior cold blooded assassin in the past get traumatized for the one who killed her in past life.
this is a big hole of this story so far.
I wish this one is translated faster but who am I to ask this? Still... I still wish the next chapters soooooooooooooooooner I am only good at English but not in translating Great job to those who make this work available for us to enjoy (How much sucking up should I do to make chapters appear sooner )