The Hidden Rose
Yui loses her father after an tragic accident. Karl Heinz the king of vampires takes Yui to his home with his 3 wives and his 6 sons. He leaves her with Christa as her mother and Subaru as her brother to raise her.
For few years later, Yui feels something within her. She soon discovers a hidden rose, and a mysterious picture.
When she and her brothers move to a new house, and live with the Mukamis, she meets a familiar person, and soon discovers who she really is. And her future.
At the same time someone else wants to have her for who she is. This person is only capable of completing what his father had started.
When Yui soon realizes who she is, she realizes she doesn't have to hide who she is. But because who she is, Yui thinks it will be stupid to tell Ayato how she really feels.