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The Demon Ororon (Japanese: 悪魔のオロロン, Hepburn: Akuma no Ororon) is a Japanese manga series written and illustrated by Hakase Mizuki. The manga was licensed in North America by Tokyopop. The epilogue to the series, Empire of Midnight (真夜中の帝国, Mayonaka no Teikoku) had six chapters released as of 2007.