In a post-apocalyptic Earth devastated by rising sea levels, young boy Natsuki Ikaruga returns to his submerged countryside home aboard his grandmother's ship and submarine. Armed only with these relics, he must navigate the underwater ruins to uncover hidden treasures. Navigating alongside mysterious Atri, an android girl, Natsuki embarks on a journey that will test his resilience and reveal unexpected emotions. In this unique tale of friendship and discovery, the line between man and machine blurs as they face perilous challenges in a world without boundaries.
The next episode takes place in a post-apocalyptic world where the effects of...