The story centers on a man who dies in the modern world while harboring a longing for magic, and is reincarnated in another world as a baby named Shion. Hoping that magic finally exists in another world, Shion is disappointed when he finds out that magic also does not exist in this new world. One day, while visiting a lake with his sister Marie, Shion witnesses a mysterious phenomenon that was "like magic." Shion then decides to be a pioneer of magic in another world and starts researching about magic.