Yōsuke Kuroda, the game's scenario writer, worked on series including Please Teacher!, s-CRY-ed, and Trigun.
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Taking two years to create, the development team included Taito veteran Hiroshi Aoki as director, Taito's in-house band Zuntata as music composers, and external talent in the form of Cowboy Bebop character designer Toshiro Kawamoto and Trigun scenario writer Yōsuke Kuroda in their respective roles.
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Dunham appreciated the game's soundtrack, describing it as a "Asian fusion of traditional Chinese music with heavy metal".
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The likeness of Japanese pop icon Gackt was used in making the protagonist Lau Wong; Gackt himself aided in the game's promotion prior to its launch.