The two vampires of Seoul High, Jung Jae Young and Jung Daehyun have learnt to find blood without killing people. Their coven owns a large blood and medical organisation that maintains their supply of blood that they recieve through paid donors, the blood they consume is the blood that humans cannot use. However, when the new students from the gang Exo arrive at the new school, Jae Young is drawn to one of their scents and must control her urge. Will she kill?