So if it wasn't Yui alone went to the Sakamaki Mansion that day So if she wasn't human And she caught the eyes of the vampires The Mukami brothers are going to be in it too I was thirteen when I start writing this book. And now I'm trying to finish it I don't own Diabolik Lovers

Siera komori is yui's younger sister. She had always been in her sisters shadow and had always been ignored. But what happens when that all changes when she meets the vampire boys?