There's a vampire city.There are two kinds of vampire.One is true-blooded vampire i.e,the whole family is vampires!The others is half-blooded vampires.They become vampire by a bite of the other vampires.The true blooded vampire get the permit to bite the humans when they r 16.They have to drink blood which are brought by their parents until they are 16.The r more powerful than the half-blooded vampire.THere are five princes vampires in that city!They are Yunho,

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