Hazure Yuusha Datta Ore ga, Sekai Saikyou no Dungeon wo Tsukutte Shimattan da ga?外れ勇者だった俺が、世界最強のダンジョンを造ってしまったんだが？; Hazure Yuusha Datta Ore ga, Sekai Saikyou no Dungeon o Tsukutte Shimattan da ga?; I, the Outcast Hero, Built the World's Most Powerful Dungeon.; I Was a Failure of a Hero, but Somehow I Built the World’s Strongest Dungeon?; The Reject Hero Who Built the World’s Strongest Dungeon; Hazure Yūsha Datta Ore ga, Sekai Saikyō no Dungeon wo Tsukutte Shimattan da ga?