More than ten years have passed since the channel gate “ connecting the different dimensions to the current world suddenly appeared, and people who are called ”hunter “ and awakened extraordinary powers have appeared in the world.The hunter guides the dungeon inside the gate to get rewards to make a living, but among the strong hunters, Azusaki lives as a low-level hunter known as the weakest weapon of mankind.One day, after encountering a high-level double dungeon hidden in a low-level dungeon, a mysterious mission window appeared in front of the seriously injured and dying Mizunatsu.When he died, Shui Kusun, who decided to accept the task, became the only person who could upgrade ”-