This is an ordinary human who meets one of the most powerful vampire leaders of his childhood. Jeo jin bi when he was only 7 years old, he has an encounter with a bloodthirsty vampire. In that moment of terror, a young vampire saves him. And it warns you, of something.
Currently jeo jin bi is 18 years old, the boy disobeys what the vampire warned him about. And he attends school go. Since he can't stop thinking about the boy who saved him. What he doesn't know is that his savior is a 223-year-old vampire.
jeo jin bi has a fear, and is to run into a vampire again, what he doesn't know is that the school where he will attend, is full of them.
Being at school. Many unexpected things happen. A vengeful vampire tries to take over the school and assassinate the director and leader of the school's protective group. Which will bring a lot of trouble to the human jeo jin bi. And all the friends around him.