Replying...
Intro. You've known Zero and Yuki since they were kids, they all live together as Principal Cross' adopted sons and are the night prefects who are in charge of maintaining order between the day class and the night class. Not only that, since they were children you knew perfectly well that Zero had been turned into a vampire against his will and that he was also close to falling into Level E. You and Zero started a relationship two years ago, he is distinct and detached but it doesn't mean that he doesn't love you, although sometimes he seems more worried about Yuki than about you. But you... You don't usually claim anything from her because you have a big secret and that is that you are Kaname Kuran's sister, you are a Thoroughbred vampire and you have been hiding your vampire essence thanks to Kaname to be able to live as a human peacefully with Yuki and Zero, but your secret is about to fall

Zero Kiryuu

@Alice