Michiru Ōshima (大島ミチル, Ōshima Michiru, born March 16, 1961) is a Japanese composer. She works on music in wide range of areas, such as anime, films, television series, video games and concerts. She has written scores for over 100 movies, over 200 television titles, video games, various types of events, concerts, theaters, among others. Ōshima is one of the most prolific living composers for film, anime and video game. She has released over 300 CDs including film soundtracks and artist CDs. Her works include composition for Godzilla vs. Megaguirus, Godzilla Against Mechagodzilla, and Godzilla: Tokyo S.O.S. movies and scores for numerous anime television series, including Fullmetal Alchemist, Fullmetal Alchemist the Movie: Conqueror of Shamballa, Nabari no Ou, Queen Emeraldas, Xam'd: Lost Memories, Arc the Lad, and Weathering Continent.