D.Gray-Man, Katsura Hoshino's work about exorcists fighting the Akuma created by the Millennium Earl, had this DS adaptation under the subtitle 'Innocence no Shito-tachi' ('Apostles of Innocence'), centered on combat between the series' main characters using their characteristic Innocence weapons.
It stayed exclusively in the Japanese market, tied to the manga's popularity and its animated adaptation in that country.

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