A mid-sized passenger plane was flying above the clouds, with the unchanging blue sky and white clouds outside the window.
The students from Sunset Country sitting on the plane were somewhat nervous.
It was not only because they were about to head to the distant and mysterious Fire Holder training base, but also because they were currently in the skies tens of thousands of feet high.
Air transport had been one of the few safe methods in the past months, not susceptible to the disturbances of monsters lurking beneath reality.
But ever since the Red Moon disaster, the world's situation further deteriorated, and air transport gradually became unsafe.
The number of Mysterious Evil appearing at an altitude of tens of thousands of meters was increasing.
