A New Life For Opal Part 2

Opal the main character has a foster family while her parents are away. Her foster mother is moving house and she let all the parents of the foster children know the new location of the house. The new home used to be a orphanage and there in the house are orphans who were left behind. Two girl orphans and one boy orphan. But Opal is the first one to know about the left behind children.