Emma, Ray and Norman live in an orphanage, they all leave before 12 and never come back
They find out that they are actually premium livestock raised to be eaten by monsters
They decide to organize their escape
Norman gets 'eaten' before
They have to leave Phil and the less than 4yo behind
They meet Musiac and another guy that save them, he wants them to break the Promise to eat humans and she tells Emma to find the Seven Walls
They find the shelter of Minerva
Go to the Goldy Pond and destroy it
Go back to the Shelter all together
Get found out by Ratri (the family that made the promise) and have to escape
Find Hayato on the way who leads them to "Minerva" who is actually Norman
Emma doesn't want to destroy the demons but Norman wants to
Yakusoku no Neverland