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Daimajuu Gekitou: Hagane no Oni
Dai Majuu Gekitou: Hagane no Oni ／ Dai Majū Gekitō: Hagane no Oni ／ Daimaju Gekito Hagane no Oni ／ Daimajuu Gekitou Hagane no Oni ／ Demon of Steel: Battle of the Great Demon Beasts ／ Devil Robot: Horror de otra dimensión ／ Les Démons d'Acier ／ Les démons d`acier ／ Oni: Carne e acciaio ／ Steel Devil ／ 大魔兽激斗 钢之鬼 ／ 大魔獣激闘 鋼の鬼 ／ 大魔獣激闘 鋼の鬼
Description
In the year 1999, a team of UN scientists in an attempt to tap into a new energy resource on a deserted island called Sansara, unknownigly open a portal to another universe, unleashing dormant biomechanical entities. Three years later, Takuya Goroza returns to the island of Sansara urged by a mysterious request by college chum Haruka Alford. Little does he know, his old friend isn't what he appears to be... (Source: Anime News Network)