[Machine Translation] The new child is nine years old. Whenever her mind wanders, the whimsy (mai-mai) just above her forehead rises up. In 1965, when society was full of hope for the future, the fanciful and tomboyish Shinko ran with her friends across the fields. Every day is a never-ending adventure. But beyond the sparkling world of a young girl, the more complex world of adults begins to whisper to her... This is a 100% fresh story that vividly depicts the happiness and anxiety that everyone feels when growing up.