Katrina Arietta Tepes is the descendant of the famous Vlad Tepes. Seeing her parents die, and watching all her family members, being hunted down, eventually becoming the last member in her family is not really a way someone wants to live their life.Well, Katrina is cursed, she is forced to live eternity, with out aging, and without having the ability to die. Katrina isn't necessarily a human, but Kaien Cross, an old friend has requested for her to attend Cross Academy and join the disciplinary committee. Katrina has a few run ins with the night class, and every time she leaves the night-class shocked. What will happened when Katrina's species is revealed? Will she find love and have her cold heart thawed out? Besides, what is Katrina's real reason for finally coming out of hiding?