Yuuki's adoptive parent, who also welcomed Zero into his home several years ago. Headmaster Cross dreams of fostering peace between humans and vampires, which led him to establish the Night Class to encourage mutual understanding between the two species. Despite his often quirky behavior, he possesses a serious demeanor as well. It is later revealed that he was once a vampire hunter.
Kaien Cross was known as "History's Greatest Legendary Vampire Hunter," although he rejected this title.









