The encounter between Naoki Yamazaki, the protagonist who lives in Hokkaido, and Saichiro Panzu, the tuner of the high school piano, began. After tuning, the piano timbre Zhongguo Village seemed to feel the smell of the forest, and attracted by the job and the world of tuners, they began to work in the musical instrument store where Banju is located. Among the people connected by the piano, he also met the piano sisters and Youren of high school students. The story of a young piano tuner who grew up after troubles, confusion and setbacks.