After being defeated by the Hero from another world, the Demon King went to sleep, declaring that he would resurrect in a hundred years.
　—And after a hundred years...
　As he had declared, the Demon King has resurrected. However, the world has changed in the hundred years since then.... more>>

　"Wh-What...!"
　"So, the demon tribe and humans have made peace with each other and are living peacefully together now."

　The Demon King is unexpectedly dismissed from his position. The former Demon King, now a mere demon, decides to become an alchemist in order to survive. To survive, I need food. To buy food, I need money. If I don't work, I can't survive!
　Thus, the former Demon King, who has the strongest power and the best alchemy skill in the world, shows his original unreliable nature to save the world! <<less

God asked me to develop the magic medicine in my world, and when I was reincarnated, there were magic medicines with three sets of “lowest quality”, “completely disgusting”, and “no longer poison” waiting for me.... more>>

Even though he thought that he had to do something about the magic potion, the spirit of a child who loves making things that he originally possessed stood in the way of Julius!　

The story of Julius, who was born as the third son of the Margrave, gradually develops magic potions while making magic tools and stuffed animals. <<less