Kure-nai (Japanese: 紅, "Crimson") is a Japanese light novel series by Kentarō Katayama, with illustrations by Yamato Yamamoto. A manga adaptation started serialization in the first issue of Jump Square magazine and had its last chapter published in the June 2012 issue.[1] An anime adaptation by Brain's Base aired in Japan from April 3, 2008 to June 19, 2008.