Tadashi Tanaka is a typical office worker whose life comes to an abrupt end at the age of forty-one due to cancer. But instead of going to heaven, he finds himself in a world resembling medieval Europe. Much like the Middle Ages, there are no modern conveniences, people eat with their hands, and pigs roam free in the streets. Worst of all, wars between nations are an everyday occurrence. Now, Tadashi Tanaka must live his second life as Varian de Lioncourt. Can an ordinary office worker survive in this cruel world? Varian’s rise to power begins here! (Source: J-Novel Club)

Tanaka was a salary-man who lived an average life. That life came to an end when he was 41 years old... or it was supposed to. But when he came to, he was standing in a world that resembled Medieval Europe. There was no heating, and food was eaten with your hands. On top of all that, pigs run wild in the city... And in this harsh world, Tanaka would live his second life as "Balian De Lioncourt". Will this average salary-man be able to survive?

Arafo's old man demonic tribe changes career to dungeon master!?　There was no power harassment or rust left "paradise" ... ♪ - I climbed from a soldier to a general of the demon army. However, the order that came down from Onnama-no-Ma-sama was seconded to the "Dungeon Corporation" responsible for the development and management of dungeons in the demon world. Even if you challenge a new land without confidence, with the support of a beautiful secretary & cute dungeon craftsman, you succeeded in launching a very popular dungeon from a human adventurer ...!?