Once upon a time, a man died. The story that the man told as about a beautiful, brave prince who defeated a cunning monster raven. When the man died, the prince and the raven flew out of the story. In order to seal away the raven, the prince took out his own heart. This was a forbidden power, given only to the prince. Although he sealed away the raven, the prince’s heart broke into pieces and was scattered throughout the town. After this happened, in the village, stories and realities were mixed together and the village became a place where mysterious things were no longer mysterious.