After the destruction of the old city, mankind, which started the A. D., Gradually recovered from the catastrophe...
Itati, the farthest planet of the Earth Alliance, is too close to the gate that seals the ancient power. The machinery of the planet on the edge of the star map always fails for various reasons. Agnes, who loves machinery, accidentally discovered this fact that was kept secret by the alliance and the organization, and stepped into a previously unknown world...
Where do those magical powers come from? What happened to the old city in the past that led to its demise?
Agnes, who kept moving forward with many doubts, finally saw the black box of the truth, she hesitated... Survival or destruction, that is a question...
Purpose: Discover your true self