( Summary of part -1 )This novel's plot begins with three orphaned boys. They lived in an orphanage. This orphanage has an orphan school. And this orphanage, which is located near a mysterious forest A lot of bad dreams of a boy saw it one night. Then he yelled and stood up, and the rest of his friends followed suit. He claims to have had a dream about this mysterious forest. They decided to let them explore the forest. And they go underground to discover a mystical area. They