She is not an investigator.

In the dimly lit room, the sound of a pen scratching against paper filled the air.
"Fate, justice, courage, freedom..."
Suddenly, the blonde girl stopped writing and turned to look at the believer in front of her.
"What do you think is the most important thing to become a legendary investigator?"
“It is mercy, Miss…”
He swallowed hard, hoping that mercy would save him from disaster.
"Yeah."
The blonde girl hesitated for a moment, then gently shook the crowbar in her hand.
"Unfortunately, I'm not an investigator."