The Demon King of Dungeon is the Weakest? (8) Morningstar Books

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Bahamut Swallows the City! Devil King Kias (Former Japanese), Fight with a Brave Party? Devil King Kias, originally Japanese, manages the control of the Devil Continent and operates a huge labyrinth. Kias, who finished the war against the Principality of Ganache in just a few minutes, builds a new heinous dungeon under the Principality of Ganache. In the midst of that, Kias meets a genius girl in the destroyed town? The 8th installment of the work that received the 3rd "Naro-con Grand Prize (now the Internet Novel Grand Prize)"!