Headhunted to Another World: From Salaryman to Big Four!

In an alternate fantasy realm, the Demon King commands a formidable army led by his Four Heavenly Kings. Among them is Uchimura Denosuke, an ordinary salaryman abruptly torn from his routine life by the Demon King's command. Yet even here, Uchimura wields no special powers. Will he endure perilous assignments armed only with the know-how of an office worker?