An evil sorcerer killed the king and kidnapped the princess to the Dragon Tower.
The Royal Guard formed a rescue team and headed towards the tower, but a powerful monster blocked their path.
A call-out is issued to nearby villages to replenish the wounded.
Among those gathered, the main character of this story is the strong young man Yuba.
Swords and magic, treasures and dragons, evil forces and heroes… … .
The full-fledged labyrinth exploration fantasy presented by Tsutomu Nihei finally begins!