A girl named Aria meet six vampire brothers there names where Eric, the oldest son, Noe the second oldest son, the triplet Jin, Jim, Ray and the youngest Evan. The vampires brother are after Aria blood it turn out Aria possess a special blood called Royal Blood.
Royal blood is a special blood that last seen in a thousand years royal blood is a drop of Eve's blood creating royal blood. Is to said that anyone who possesses Royal Blood their blood will be sweet as honey and have vampire healing ability And Aria possesses that blood when the six vampire brothers suck Aria blood they said it was sweet so that decided take Aria to their home. When they told Aria that she a sacrificial bride and they will have to kill her for the sake of humanity and for all of them.