Eiji Nonaka (野中 英次, Nonaka Eiji) is a Japanese manga artist and humorist. Eiji writes and illustrates shōnen and seinen manga. His work appears in several manga magazines published by Kodansha. His most popular serial, Cromartie High School, ran in Weekly Shōnen Magazine from 2001 to 2006. The serial won Eiji the 2002 Kodansha Manga Award in the shōnen category. In 2003, it was a jury selection in the seventh annual Japan Media Arts Festival. That same year, an animated series based on the serial premiered on TV Tokyo. A live-action feature film, called Cromartie High – The Movie, followed in 2005. A spin-off sequel titled Cromartie Kōkō Shokuinshitsu ("Cromartie High School Staff Room") debuted on October 27th 2018 on Kodansha's Magazine Pocket app. Nonaka authored the manga while the art