[Machine Translation] Kokoro, who had been confined to her house, began to go to the castle on the other side of the mirror in her room. There, she meets children who are somewhat similar to her. ( With these children, he can help each other! ) But while she grows closer to everyone, the end of the castle is drawing nearer and nearer. Where is the key that grants all wishes? Who will find it? A story of courage and emotion that will bring tears to your eyes! From middle grade of elementary school.