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It's holidays at the school where the vampire sisters study! Daka finds out that her favourite vampire rock band, Krypton Crackers, is coming to Bindburg. But her parents strictly forbid the sisters to go to the concert. Eventually, the girls manage to sneak out of the house, and - wow - Daku is noticed and asked out by the band's lead singer! It's a pity that the half-vampires have no idea what this meeting will lead to....