Adults who work like a machine, forgetting things that were important. A girl who felt stuffiness in this city that was deprived of her memory · Mia .... Here, boys and girls were kidnapped, and there were cases in which they were safely protected afterwards. At one point, Mia met a young man named Jouma and saw the illusion of a fairy or expressive child in his house. Is the illusion caused by the machine created by Joaa? A terrible "crow" that red eyes on Mia who came in contact with Jouma is approaching ...!