: A genius strategist whose logical mind and deep love for Emma drive the initial escape plans.

: The series is known for its intense "battle of wits," utilizing psychological pressure and horror elements rather than direct physical combat. Key Characters

: The story eventually reveals a world split between humans and demons due to an ancient "Promise". The children's struggle shifts from a simple escape to a grand battle for the freedom of all "cattle children".

: Set in the year 2045, 38 children live happily at Grace Field House under the care of their beloved "Mom," Isabella . After two of the oldest children, Emma and Norman , witness the death of a sibling being "adopted," they realize they are intended as food for demons.

: The primary antagonist of the first arc; she is a former orphan herself who now manages the farm with cold efficiency.