Early Shouwa period. Seiji, a boy who loves the piano, who was born in a poor family but learned from his late father, meets Natsu, the daughter of an inn. Two people destined to be connected to the investigation of the piano. However, Natsu had decided to get married as a tracer of the inn. The two of them realized that they longed for each other, but beyond that a harsh fate awaited them. The author's first serialized work that depicts love that is pierced while being at the mercy of the times.