Sakanakun, a little fish, lives underwater. When he goes to school, he has to wear a glass helmet filled with water and rubber shoes on his fins. During a relay race in gym class, he injures one of his fins
and doesn’t want to go to school anymore. Lizard and Boy come to visit him, and Boy gives him a pair of roller skates. Once his fin heals, Sakanakun puts on the roller skates and skates to school.
This story conveys the joy of making friends while appreciating diversity. Depicted in pencil and watercolor, the detailed illustrations bring this imaginary world to life.