Kin no Kuni Mizu no Kuni (Japanese: 金の国 水の国, lit. "Land of Gold, Land of Water") is a Japanese manga series written and illustrated by Nao Iwamoto. It was serialized in Shogakukan's Flowers magazine from October 2014 to April 2016, with its chapters collected into a single tankōbon volume. An anime film adaptation by Madhouse is set to premiere in Japan in January 2023.