Cipher is a shōjo manga series written and illustrated by Minako Narita.[1] It was serialized in Hakusensha's LaLa magazine from the December 1984 issue[2] to the March 1985 issue,[3] and was collected in Japan in twelve tankōbon volumes and seven bunkoban volumes.[4]
A sequel manga series titled Alexandrite was published in LaLa from 1991 to 1992, and compiled in Japan in seven tankōbon volumes and four bunkoban volumes.[5]
Cipher was also adapted into a promotional English-language OVA titled Cipher the Video in 1989, with Narita's input and involvement.[6]