Lily Kuran has always been kept hidden from the world of vampires as the last female pureblood. Her 5 big brothers Rido, Kaname, Zero, Ryan and Liam have tried their best to keep her safe and sound for 13 years of her life. But at the age of 13 she has to attend Cross academy where the whole vampire civilization will know of her existince expesially the vampire coucil.