I like that official TL is "Iron Woman" but fan TL is "Iron Lady", which the former loosing all meaning behind the simple thing as chapter title.
Figures that the demons are after delicious well developed brain, while settling with large surplus of little younglings as an appetizer.
They should work better on their acting, that matter should be settled as first thing to do so they wouldn't loose composure whenever Isabella will make contact with them because already she knows something is off.
Isabella being one of the kids is surprising, thought she was a demon in disguise or a robot, maybe she was one of the first batches of food or the smarter kids are sent to other "orphanage" under rule if you don't want to be eaten, work with us.
The size of Emma ovaries must be enormous, I'd shit my pants if I were her.