Manga creator Shinichi Koga passed away on March 1, 2018 due to illness. He was 81 years old at the time of his passing.
Koga serialized the Eko Eko Azarak horror manga in Akita Shoten’s Weekly Shōnen Champion magazine between 1975 and 1979, and Akita Shoten published the series in 19 volumes.
The manga inspired six live-action films between 1995 and 2006, as well as a live-action television series in 1997. The manga also inspired a two-episode OVA series in 2007. In addition, the manga has inspired two video games.