Hikari Sakamaki the youngest among the family,She was raised without knowing her real mother,along with her brothers she will discover a huge secret kept on her many years ago and that secret will make her destroy her well being. Can she solve that problem inside her? or Will she be the one being consumed by the monster inside her?

Sora Manami is a seemingly ordinary girl who has been accepted to an elite Night school, But she starts to notice something strange about this part town, it seems as if family has blown off the face of the earth and she finds herself living with the members of the Sakamaki household, Vampires. What do they Know? What's the deal with Laito? and WHY is she falling for him?!