Yumi Kain is the adoptive sister of Akatsuki Kain. Yumi knew ever since she was little that she was different from the other vampires and figured out she was a pureblood. Though everyone else is unaware that she is not a Noble vampire. The first generation of Pureblood is rare amongst vampires and what will happen when everyone finds out Yumi's secret? Will Kaname, Zero and Shiki be able to push their emotions towards her aside to protect her from the senate?