This is a recut that assumes you already live in this world. If you haven't watched the series, the movie abandons you halfway through its own plot. For people who made it through the TV run, those new opening sequences and the way the mecha fights breathe in ways the show couldn't afford hits like a reminder of what you fell in love with. The real cost of watching this is that it's built for people who already chose it once.
Takuto arrives on Southern Cross Isle with no memory of how he got there, washing ashore one fateful night. He enrolls at the local high school and quickly builds friendships, but soon discovers the island harbors a massive secret: an ancient mecha lies dormant beneath the school, and a shadowy organization controls access to it. When the conspiracy pulls Takuto into its orbit, he learns he's the only one who can pilot the machine. Thrust into a war he didn't choose, Takuto must master the mecha and uncover why he was drawn to this island in the first place. The film combines high-octane mecha action with mystery and character drama, splitting time between genuine school life moments and intense mechanical combat sequences. Visually stylish with a retro sensibility, it rewards viewers who enjoy layered plot twists alongside their robot fights. If you want action that connects to deeper mythology, this delivers both the spectacle and the emotional stakes that make that spectacle matter.