This story is about a young woman who's name is Komori Yui, and is about 17 years old who has been living in the Sakamaki Mansion as their special sacrificial bride of their own for a very long time. But what happens when she starts developing some feelings for a certain vampire who had also shared the same feelings for her as well from the eldest son, Sakamaki Shu. But what will happen to the forrbiden love they hold dearly when the second oldest son, Reiji interferes with their unrequited love? What will happen to Yui and her beloved vampire Shu? Will they have a happy ending? Or a bad ending? See what happens next to their forrbiden romance. Choose 1 route...All Rights Reserved