The future is here, and most of civilization has succumbed to the rising seas. Natsuki, a boy who lost his leg in an accident, returns to his flooded hometown. But all that's left is his late grandmother's ship, submarine, and mountain of debt. As he explores her sunken lab for rumored treasures, he finds Atri, a lifelike robot girl who offers to help him in ways he could never imagine.
The future is here, and most of civilization has succumbed to the rising seas. Natsuki, a boy who lost his leg in an accident, returns to his flooded hometown. But all that's left is his late grandmother's ship, submarine, and mountain of debt. As he explores her sunken lab for rumored treasures, he finds Atri, a lifelike robot girl who offers to help him in ways he could never imagine.
