Knight In Armor {Vampire Knight}

Akira is an average girl. She left her old school and decided to come to Cross Academy. She ends up arriving a month late. Since she is just coming to the school and realizing everyone else has been there for some time, she thinks she won't make any friends. She ends up proving herself wrong and fits in perfectly, since her childhood friend is there. With the mysterious "guardians" and more mysterious Night Class, she does some meddling. As she pries into others lives she digs herself into a hole she cannot get out of.