Reincarnator Ethan started his second life as the son of a prestigious noble family in a certain kingdom. In his previous life, he had been a workaholic who paid no heed to others—yet on the brink of death, he finally realized the preciousness of "human connections." If that was the case, then this time—carrying his regrets in his heart, determined to trust in people and live alongside them—Ethan found himself surrounded by kind-hearted companions rich with individuality. This is the story of a young lord who gained irreplaceable comrades in this new life, using his one-of-a-kind production magic to build "The Kindest Fortress City" where no one would be hurt. A completely bloodless territory management fantasy ruled by the heart—now begins in grand fashion!!