Bangumi8.5 / 10
16,790 ratingsRetrieved 2026-10-15 22:07 UTC
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The story starts here
Two boys living underground discover that the surface exists when a mechanical enemy breaks into their village. With a girl from above and a newly unearthed machine, they escape upward, only to find a world of further battles.
- Breaking out of an enclosed life opens a much larger struggle
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