Ren transmigrated into a Western fantasy world. Because he had no magic, he was treated as a heretic and was even beaten and abandoned by an arrogant Hero.

Just as he fell into despair, he was picked up by the demon race as a source of amusement and brought back to the Demon King’s castle.

He had thought the Demon King would be a ferocious monster with a green face and fangs, but the one sitting on the throne turned out to be a white-haired, red-eyed little girl personally mining coal in the tunnels just to make up for the financial deficit?

Looking at these so-called villains—who possessed strength but couldn’t even feed themselves—Ren, as a modern man, couldn’t stand it anymore.

“If the gods won’t give you a way to live, then I will build one for you!”

Plant-ash detoxified potatoes, spinning jennies, cement concrete, insect-based bio 3D—