After hearing the news of her father's death, whose face she can't even remember, Yoon So-yi is left with hundreds of millions in debt. To survive the threats of loan sharks, So-yi has tried every part-time job she has ever had. Then, she gets an interview with a company, but it turns out to be even more dangerous than the loan sharks... a 'vampire management camp'. "Now that you know our secret, you can't leave alive." "...We don't want to kill you." Dane, the head of the noble bloodline, Gray, a half-blood vampire who hates vampire blood, Ruel, a sly and impulsive person who grew up in the slums, Eden, who has a strong body and a languid personality. After being bitten by a vampire, So-yi experiences extreme physical changes. After coming to her senses after her head gets hot and a terrible desire surges... "You smell sweet and delicious." A thrilling romance between So-yi and the vampires amidst the confusing days and the truth that is revealed.