In the near future, the high-performance AI "Assist" had become indispensable to humanity. A world managed by Assist in everything from healthcare and…

One hundred years since humanity was defeated by their natural predator, the dragons who prey on humans. Mankind fled underground, fearing the surface…

One day, towers all over the world turned into dungeons. The Tokyo Tower was no exception, becoming a labyrinth (Meikyuu). Those who were unfortunately…