The hidden Pureblood (Vampire Knight fanfic)

What if the one person that wants to kill all vampires is secretly a pureblood vampire? In this story, Zero Kiryu tries to not show his secret, but when Yuuki Cross forces him to bite her he can't hide it. Yuuki falls into sleep and is becoming a pureblood again. Zero finds out that Yuuki is actually Kaname's sister! What will Zero do when everybody finds out that he is not only a pureblood vampire but also a girl? Kaname and the rest of the night class is fighting to win his heart. Even the girls are trying to win his heart seeing as he is the only vampire that can mate with either male or female and have kids.