It’s been 30 years since the world and a realm known as the Frontier became connected. Seeking new resources, nations across the globe have started exploring the Frontier. Now, with the right credentials, even civilians can pass through the gates and enter the Frontier. This led to the rise of a new profession: adventurers who bring back resources and sell them. Okita, suddenly fired from his job, finds himself with little savings. To make a living, he decides to become an adventurer. On his very first adventure, he acquires a skill called alchemy. From this moment, Okita Hajime’s life begins to shine with golden promise. At the same time, a figure emerges to break the world’s conventions—the Golden Witch.
