On his way home from cram school, Makoto meets a living coelacanth sitting on a subway platform like a person. As he and his childhood friend Akira investigate the mystery, they come to call it Master and step into a summer of friendship and adventure.

A coelacanth met in the subway brings an unforgettable summer adventure.

Eric, a trainee from Ghana, comes to stay with a family of full-time farmers. A boy learns about agriculture, chocolate, and the lives of children working in a distant country, gradually realizing how his own life connects with the wider world.

From the true taste of chocolate, a boy's world begins to widen.