• Book Name: The Great UFO War Manga
• Alternative(s): Mazinger Tribute: the Great UFO War
• Genre(s): Action Mecha Sci-Fi
• Author(s): Nagai Go, Fuiji Masahiro
• Status: Completed Download Manga
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Summary: Oneshot from the Mazinger Z Tribute book. It's a crossover between "UFO Robo Grendizer" and the anime TV-Pilot for Grendizer "The Super Saucer War"