All of humanity has come to share the same dreams. Some nights, a tale of adultery between a teacher and his student. Other nights, a romance between a commoner playwright and a noblewoman actress. Yet other nights, a story of burgeoning love between a truant young man and a teacher-in-training. Again and again people see these same three dreams. Why does everyone now endlessly experience these dreams? This is the story of the girl who's called the world.