Umeji Sasaki

The Mutou family leads a peaceful life: Kouichirou works at a construction site and his wife Mari is returning from an overseas trip. Their daughter Ayumu has just finished her track practice while their son Gou is playing video games at home. However, life as they know it is flipped upside down when a calamitous earthquake strikes the entire Japanese archipelago—obliterating the face of the country in an instant. With society crumbling around them and their nation gradually sinking into the ocean, the Mutou family must band together to survive the catastrophe. Treading the near-apocalyptic setting, they struggle not only to stay alive, but also to learn the difficulty of coping with loss.

南海に浮かぶ常夏の島・みかづき島にある月の国。世界的な富豪でもあるその国の王子ミチルは、息子ヒカルとともに諸国漫遊の旅に出ていた。今回ナルトたちに与えられた任務は、王子親子を無事にみかづき島まで送り届けること。サーカス団を丸ごと買ってしまうような王子の桁外れの金持ちぶりに振り回されるナルトたちだが、ようやくみかづき島にたどり着いてみると、そこでは大臣の裏切りによりクーデターが勃発していた。