Fifth-grader Hibine worries that her older sister Chizuru can no longer enjoy the sound of her own piano. As family ties grow strained, Hibine tries to reach her sister through an original musical for a local cultural festival and restore the joy of music.

A younger sister tries to reach an older sister who has nearly forgotten the joy of music through a stage of their own making.

In the town where third-grader Fumio lives, ordinary moments such as shopping, going to the pool, or meeting a pair of shoes quietly turn strange. This children's book gathers four short stories shaped by wordplay and playful nonsense.

In a peculiar town, Fumio's ordinary day gradually becomes anything but ordinary.