Yui Komori is still living with the Sakamaki's, but another piece of 'bait' comes along to live with them too. Kaori Oshiro is like any 16 year old girl, going to high-school and attending regular classes. She is shocked when she finds out that she is an descendant of an ancient bloodline, in addition moving to a mansion. Kaori seems to be heading on the same path as any 'Sacrificial bride', but she soon unravels the secrets to her unknown past...