is a seinen manga series written and illustrated by Masamune Shirow, which spawned the media franchise of the same name. The manga, first serialized in 1989 under the subtitle of The Ghost in the Shell, and later published as its own tankobon volumes by Kodansha, told the story of the fictional counter-cyberterrorist organization Public Security Section 9, led by protagonist Major Motoko Kusanagi, in the mid 21st century of Japan. Ghost in the Shell 2: Man-Machine Interface was the sequel work which follows the story of Motoko after merging with the Puppeteer. The last volume, Ghost in the Shell 1.5: Human-Error Processor, contains four separate cases.