Mia and Charlotte took the spaceship to the Dark Country. It is estimated that it is the planet of vampires.
According to my personal inference, vampires are some kind of aliens. Years shrouded in sunlight is simply not suitable for them to survive.
As a result, only a few remained. Their technology is much more advanced than that of the earth, and they also unexpectedly found that human blood is delicious. The interesting thing is that after drinking human blood, human beings will become vampires, but their strength is too poor.
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