In the mid-sixteenth century, when the Murakami naval forces were active in the Seto Inland Sea, a boy from a southern land named Ruson is placed with Kaito's family to learn Japanese. Unable to communicate at first, Kaito is unsettled by the arrangement, but an incident involving children planning to take an old boat to sea brings the two boys closer.

A historical children's novel about friendship and adventure between a boy from across the sea and a boy who lives on an island.

A children's story told in ten episodes about the friendship between Kame-kun, a turtle, and Imori-kun, a newt, who live by a river. Through collecting stones and playing along the water, the easygoing Kame-kun and the active Imori-kun learn to care for one another.

A ten-episode story of Kame-kun and Imori-kun, whose days by the river are filled with stone collecting and play.