You really needed money and a job to keep your family alive. Out of desperation, your mother sold you to a vampire. You also found out that she was not your actual mother, but your step mother. The vampire, Yong Hwa loved the scent of your blood as it was really special. Soon, he started to like you. Kang Min Hyuk was your brother. When you were still a baby, he sent you to the orphanage where you were adopted. Kang Min Hyuk was the prince of the vampire, therefore it was not safe for you to stay there.Lee Jung Shin could control the four elements. Lee Jong Hyun was a power sensor and absorber. Since both Lee Jung Shin and Lee Jong Hyun were brothers they could communicate in their minds, know when the other is in trouble and know where exactly is the other person in. Jung Yong Hwa was a tracker, a teleporter and a mind reader with or without contact of the hands. Since you were born as a human, you had to be turned into a vampire by your family or the love of your life. If you were turned into a vampire you could control time(time keeper), have a mental shield and a physical shield.