Faded Men: Chaison and Maison

A young woman is selected to be the mother of children who have the ability to grant powers to hidden individuals. She never agreed to this fate. However, she feels the need to protect her children from the power-hungry people who want to use her children. With the help of her sister, the children are kept hidden for a time. But one of the twin children has a mean streak, while the other is gentle and well-behaved. Can you figure out who the mastermind is behind this game of manipulation? Is someone the pawn in this game? Is there someone else who has all the cards and is using other people to fulfill their own selfish ambitions? What happens when they take people's lives as if they were pawns in a chess game?