There are two kinds of people in this world: geniuses and mediocre people. Before she was ten years old, she was an ordinary person living in the darkest corner of the world. Her dream-like birthday took away her blooming life. But it opened the door to another world. After she turned ten, she lived in another world, as if she were the author composing the score bit by bit. A chance encounter allowed her to meet three best friends who share the same joys and sorrows, and she became a figure who shook the whole world. Let us appreciate her history together!