Vampire Knight (ヴァンパイア騎士, Vanpaia Naito?) is a shōjo manga and anime series written by Matsuri Hino. The series premiered in the January 2005 issue of LaLa magazine and is still on-going. Chapters are collected and published in collected volumes by Hakusensha, with nine volumes currently released in Japan. The manga series is licensed in English by Viz Media. The English adaptation premiered in the July 2006 issue of Viz's Shojo Beat magazine, with the collected volumes being published on a quarterly basis.