Once upon a time, there was a famous family that held all the knowledge of the world, passing down through inheritance every potential and specific piece of information about each entity present in their world. However, the family's course changed the day the head of the family passed away.

Jones Harrison reincarnates into Ranold Gate in an alternate world between the Victorian and modern eras, where he sees a world filled with machines, airships, and other spectacular things.

Ranold Gate, who had reincarnated, chose to resolve to unravel these mysteries, creating a situation in which humanity can face gods and defend itself against entities to protect against external threats.

Follow the story of a man named Ranold who becomes embroiled in conflict and misunderstanding, while slowly developing his powers through the system.