The male protagonist travels to a fusion world where martial arts, mechas, magic and other anime characters compete. Instead of practicing martial arts, he focuses on running a shop that can infinitely strengthen, enchant and transform equipment. His golden finger cannot be used for fighting, but it can turn scrap metal into a magical weapon, which triggers the pursuit and competition of major forces in the world. Through transactions and debts of favor, he weaves an invisible power network across the world.
