One day, a girl woke up from a near car accident, and her name was Baek Nabi. After her chance encounter with a beautiful man, who saved her from the accident, Nabi starts to see things she has never seen before. Creatures who live off from human negative emotions are called ‘parasites’. Nabi’s once-normal life has overturned and becomes intertwined with several men all at the same time… “You’re a special existence. You just haven’t remembered yet.” A fantasy romance of Nabi and the mysterious beings around her.