Action

Yu Ijin was the sole survivor of a plane crash when he was little. After becoming a mercenary to survive for 10 years, he returns to his family in his hometown.

He awakens. For 820 years he has slumbered with no knowledge of mankind's advancements and scientific achievments. The land which he once knew has become an unfamiliar place with new technologies, attitudes, and lifestyles.
Cadis Etrama Di Raizel, Rai, while seeking to familiarize himself with this era, somehow locates a loyal servant of his, Frankenstein, who is currently the principal of a South Korean high school. Rai decides that this high school would be the perfect place to help him learn

When vampires destroy her chance to have the normal life she’s always wanted, Hayan is forced to draw on her darkest secret to rid the world of the merciless hunters that took it over 10 years ago. With the support of a rising star in the local police force, Hayan steps up to protect her loved ones, face her past, and get her revenge.