Headhunted to Another World: From Salaryman to Big Four! Vol. 4

<b>PROMOTION WITH A PRICE?!</b> <p/>Salaryman-turned-heavenly king Uchimura leads the Demon Army against a horde of invading wyverns. The army struggles valiantly but is overwhelmed by the appearance of a titanic dragon--that is until the Demon Overlord arrives. After dealing with this threat the Demon Overlord makes the following unexpected announcement: <p/>You Uchimura shall become the next king of the Demon Army!! <p/>While striving to deal with this unexpected promotion Uchimura heads to his next mission where he faces a new severe problem.