When The Stars Fall

A thin, zigzagging line, materialized in the sky right over them. and as they sat there, frozen, the crack grew. It wasn't a crack; it was more like the sky itself was splitting apart. For an instant, the colors of twilight exploded into a complex of impossible shades. It was as though the very fabric of existence had temporarily come apart.
And then, just as it had come, the glitch faded away
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OR, its just II fantsy AU