Canon (カノン, Kanon) is a shōjo manga by Chika Shiomi. The series was originally serialized between 1994 and 1996 in Akita Shoten's manga magazine Mystery EX, and the chapters were compiled into four bound volumes. The series has been licensed by CMX Manga and has released all four volumes in English.
A vampire attacks a high school and kills thirty-nine students, leaving one "alive" — Canon Himuro — for some reason as a vampire. After the incident, she lives on having a grudge against this vampire, the only memories of him are his blond hair and blue eyes. To suppress her blood-drinking instincts, she wears a crucifix given to her by an American some years ago.
One day, she met a Japanese half-vampire - his father a vampire, his mother a human — named Sakaki who later reveals himself to be the vampire responsible for the death's of Canon's friends as well as her return from the undead. Sakaki is a boy who had a grudge against a blond vampire named Rod. Sakaki is very powerful and has the power to change people's memory, which is what he has done to Canon. After some incidents happen, Canon and Sakaki fall in love.