Isabella is the mama of the Grace Field House.
SpoilerShe serves as the main antagonist of The Promised Neverland in the first arc and runs one of the Grace Field House orphanages, specifically known as Plant 3.SpoilerShe is later to be revealed as the biological mother of Ray.SpoilerDespite the fact that she let the kids escape Grace Field, she is promoted to Grandmother. She uses this position to help free the 'cattle children'
