Trinitasシリーズ ドリーム・ライフ~夢の異世界生活~ (Associated Names)

A middle-aged engineer who was weary of life ended up being reborn into a different world as Zack, the son of a frontier feudal lord. Once there, he received a mission from God. He was told to prepare himself for the task of “guiding the future hero of the world”. With that in mind, Zack…