The Origin

Gudo-kyung, the eldest grandson of the Gu family, who carries the bloodline of vampires. He suffers from an incurable madness due to inheriting the strongest vampire energy. Han Si-yoon, a woman who has nothing and therefore nothing to lose. However, she can't give up on her grandmother, who raised her with love, so she gets a job at Dowonjae because of the high salary, "Han Si-yoon's blood, I need it." She receives an offer to solve everything if she just gives her blood. But starting with this, "Missing what I was about to find drives me even crazier." Gu Mi-kyung, who seeks the bloodline in the unofficial history to become the owner of the Gu family, and "That woman is that woman." ...