The Promised Neverland: Krone

She's also known as "Sister Krone" by the children of Grace Field House due to her being an Mom to them, she was hired by Isabella to help her out while her current position provides her a good life, she yearns to usurp her position and become the next 'Mama' of Grace Field House. Like Isabella, she was born and raised in an orphanage, and is extremely cunning, manipulative on the inside while harbouring an affectionate and warm exterior, but her sole difference from Isabella is her intense aggression, which matches her large and intimidating physique. This is from Episode 8.