Our community needs more information on this page! Can you help out? Click here to add more. Code Zero (害機関,, Gai Kikan?) is the second chapter of the Mars Red manga. Summary Characters in Order of Appearance Site Navigation Retrieved from "https://marsred.fandom.com/wiki/Chapter_2?oldid=359" Categories: Article stubs Chapters Volume 1 Chapters Community content is available under CC-BY-SA unless otherwise noted.