In her youth, Miu was captivated by the piano and began taking lessons. At the start of the series, Miu is a middle school student. She is a timid, soft-spoken girl lacking self-confidence. Her friends characterize her as "sweet" and "quiet." By this stage, Miu has been studying piano for a while. Although others have remarked that she has improved significantly over the years, Miu feels she lacks talent in anything, including the piano. Her instructor, Mr. Shirakawa, is frequently frustrated with her performance. Even though she plays every note with perfect accuracy, she lacks emotional engagement... At the same time, Miu has reached an age where she is becoming aware of boys. This shy young woman has taken notice of the handsome Kazuya Takahashi, even though he has not noticed her. This is Miu's story. It is the tale of a young girl on a quest to find the melody within her own heart and the bravery to express it.