Onmyou Taisenki Zeroshiki

Onmyou Taisenki: Zeroshiki is a Japanese Game Boy Advance game developed and published by Bandai based on both the Onmyou Taisenki anime and manga. It was released for Japan only on December 9, 2004. The game takes place in a non-canonical timeline following the anime's events while characters from the prequel manga make their reappearance.