Star Keeper // undersquad and undertale au crossover
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What did happen when twenty-one humans were all transferred to different dimensions?
One day, three humans came across a machine called "AU Hopper."
The AU Hopper would send you to one AU and you could never get out, unless said otherwise.
The young humans decided to use it. Sending them all into an AU that they were all in together.
They fell off a mountain called Mt. Ebott. And were fully killed by one monster.
But twenty-one humans came seven years later, and all of that changed.
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