The Saigo no Kotoba book follows Kawashima's life after her mother's death, and her pursuit of her singing dreams by performing free concerts on the streets of Tokyo's Shibuya district.

日本战后十年，地区举办一个合唱大赛，木场小学的这群小学生因为在商店街偷窃被取消参加合唱大赛的资格，而此时传来同班的宫本志津同学在海边溺毙的坏消息，让全班陷入诺大的悲痛，大家于是决定要实现宫本志津的遗愿参加比赛…最后班长代表大家去向校长求情让他们参加比赛…

At a young age, Nitaroh is stricken with an illness that leaves him blind. He inherits the shamisen guitar once used by his mother and is taught its basics by a blind travelling shamisen player. In time with the help of friends old and new, he walks the paths that leads to his ultimate fate - that of founder of the Tsugaru style of shamisen play.