底辺冒険者なおっさんの俺いまさらチートを持っていることに気付く　領地経営ゲームで現実も楽々ライフ (Associated Names)

After being reincarnated into a fantasy world from an unremarkable life, the protagonist expected his new life to be just as unremarkable. However, He soon realize that the “game” skills he thought were useless are actually incredible. Thus begins the tired old man’s late-blooming, cheat-filled adventure in a new world.