Ema is the hidden daughter of Juri Kuran and Haruka Kuran and is the sister of Kaname Kuran. She is the pure blood princess of the vampire and she is the strongest of them all. She has such a great power so she hidden until she is old enough to control her power. When she was young she used to live in the room with no windows so she has never been outside or see the outside world. But that all changes until Rido Kuran comes and try's to take Ema from them. While that was happening Ema escapes and runs to where it is safe. When she was in the middle of nowhere she meets a vampire. That vampire was Karl Hainz. Karl Hainz adopts her take her to his sons. When she meets them. Years past and she is 15 now all of the brothers falls in love with her and what will happen when she and the brothers go to cross academy and meets Kaname, Ema's true brother what will happen?! Read this book and find out!