C65 A Town in the Northwest

"One more thing, maybe a clue to turning your sister into a human."

"More than a thousand years ago, the first {Ghost} was born. As the founder of {Ghost}, its blood possessed the power to turn people into {Ghost}. So maybe your sister becoming a ghost has something to do with it. Your family probably died because of it. "

"Maybe that guy knows the way to turn {Ghost} back into a human