Motomeimon Kizoku No Kiyowana Chakushi Ni Narimashita Game Sekai Ni Tensei Shita Ore Ha Ikite Kaeru Tame Ni Koryaku Wo Kaishi Shimasu (BK Books) [Light Novel]

[Machine Translation] The protagonist finds himself reincarnated as Fese, a Duchess of Admato's heir apparent in a depressive game world. However, according to his memories of his previous life, Feze was a character doomed to death. In order to avoid such a fate and return to his original world alive, he challenges himself to a dungeon to obtain a magical tool of the Kaitenjinyo, which is said to lead to the other world. To earn more money, he invites Nei, whom he met at the Mammon Trading Company, to start a business, and eventually, he ends up starting a war...! This is the start of another world domination fantasy by a hero who is willing to do whatever it takes to survive!

気が付くと鬱ゲームの世界のアドマト公爵家嫡子フェゼとして転生していた主人公。しかし、前世の記憶だとフェゼは死の運命を辿るキャラクターだった。そんな結末を避け、生きて元の世界に帰還するべく、異界に通じるとされる開天神代の魔法具を入手するためにダンジョン攻略に挑む。さらに資金を稼ぐためマモン商会で出会ったネイを誘ってビジネスを始めたり、やがては戦争も起こす羽目に―!!生きるためならどんな手段も厭わない主人公による、異世界攻略ファンタジー開幕!