Daimajuu Gekitou: Hagane no Oni

In 1999, a group of UN scientists embarks on an ambitious project to harness a new energy source on the uninhabited island of Sansara. Their efforts inadvertently breach a portal to a parallel universe, awakening dormant biomechanical creatures that pose a grave threat. Fast forward three years, Takuya Goroza finds himself drawn back to Sansara by an enigmatic plea from his former college friend, Haruka Alford.

As Takuya navigates the eerie landscape of the island, he soon realizes that Haruka's true nature may not be what he once believed. With the awakening forces transforming their surroundings, Takuya must confront both the rising dangers and the unsettling secrets of his past, leading to a chilling battle for survival amid the chaos unleashed.