Sister Krone runs the Grace Field House orphanage with [Madam Isabella](https://anilist.co/character/121701/Isabella). She has the desire to usurp the position of "Mama" from Isabella.
Apariciones en anime
The Promised Neverland
The Promised Neverland
The parodied Jokeland
Yakusoku no Neverland: Mama-tachi no Tsuisoukyoku
The Promised Neverland: Special Side Story - Seeking the Sky of Freedom