[Machine Translation] One day, the mirror in her room suddenly began to shine before the eyes of "Kokoro," who had lost her place at school and had been shut away. One day, the mirror in her room suddenly began to glow. There, six children were gathered by a girl wearing a wolf mask. What do the children have in common? The "wolf" says that if they find the key hidden in the castle, their wishes will come true... From middle grade elementary school.