MW (Japanese: ムウ Hepburn: Mū, pronounced "Moo") is a manga series by Osamu Tezuka. It was originally serialized in Shogakukan's Big Comic in Japan, from 1976–78, and was published in English translation by Vertical Inc. in 2007. Vertical's edition earned it a nomination for Eisner Award at the category "Best U.S. Edition of International Material—Japan," but it lost to Tekkonkinkreet. A Japanese film adaptation was released in July 2009. A thriller, MW follows a fictional Japanese priest, Father Garai, his lifelong connection to serial killer Michio Yuki, and a mysterious chemical weapon "MW" developed by the Occupying American Force in Japan.