The largest-scale isekai work! An entire local factory has been transported to another world. Veteran engineers working at a local factory will use their technical skills and knowledge to conquer another world?! As the battle between the human army and the Demon King's army intensifies, the first site the engineers arrive at is the extremely shady weapons factory in the Demon King's castle! In order to save the oppressed goblins, Japanese corporate warriors will start a revolution!! The closest thing to a god in this world is… an engineer! The curtain opens on a technological fantasy set in another world!