“If a Magical Girl comes within 200 meters, Fal can detect her.” “The distance should also be the same for Snow White to be able to hear the voice of Sachiko’s heart.” “If Sachiko left the city, Puk Puck would notice. Meaning Sachiko was still in the city.” She told all that information to Snow White and Uluru.

Magical Girl Raising Project: ACES, Chapter 1