Dungeon Defense (Wn) (www-readlightnovel-me)

Do you know how this world ends? Become the hero and defeat the 72 Demon Lords. The game that was boasted as the absolute hardest strategy game, 『Dungeon Attack』. I used to be the ‘hero’ that had accomplished everything in this game, but after answering a suspicious survey, I found myself in the game as the weakest De…