Daimajuu Gekitou: Hagane no Oni

In 1999, a portal opens on Sansara Island, unleashing biomechanical entities, and three years later, Takuya Goroza returns, unaware of the dangers that await.

CHARACTERS

Rui

Rui: Haruka's kind and supportive girlfriend.

Haruka Alford

Haruka Alford: A dedicated scientist, driven by intellect and research.

Portrayed by Inoue Kazuhiko

Takuya Goroza

Takuya Goroza: Haruka's friend, he left but later returned.

Portrayed by Furukawa Toshio

SIMILAR ANIME

The Guyver: Bio-Booster Armor

After finding the bio-weapon Guyver Unit, Shou must become an alien soldier to protect it from the evil corporation Chronos and their Zoanoid monsters.

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Terra Formars: Earth-hen

This anime adaptation follows the events of the Earth arc, chronicling the intense battles and struggles of humanity as depicted in volumes 21 and 22 of the manga.

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Ling Cage

After a global catastrophe triggered by lunar alignment, humanity struggles to reclaim dominance in a changed world, questioning its place in the aftermath.