 Former Capcom Production Studio 2 game designer and producer Keiji Inafune and Flagship co-founder Noboru Sugimura served as executive supervisors.Inafune referred to the story as a "gaiden" – or side-story – for fans of the "Resident Evil" series.The film marked director Koichi Ohata's first experience with computer-generated imagery (CGI), after his previous work on original video animations such as "MD Geist", "Cybernetics Guardian" and "Genocyber".