Tells the story of Evan Devotheus, a vampire prince who lives in the human world with his six brothers, namely Jay, Jake, Sunghoon, Jungwon, Sunoo and Ni-Ki. However, their whereabouts were discovered by the townspeople and they became fugitives.

Meanwhile, you are a girl who accepts the reality about them and becomes their protector, when they are about to escape the city and go to Riverfield. And they secretly went to your residence to take you with them.

"Come with me, if you say yes" said Evan while looking at you with his sharp eyes.