I Have Become a Multidimensional Merchant, also known as 다차원 상인이 되었다, is a captivating Korean web novel that follows the story of a protagonist who discovers a newfound ability. Engaging in interdimensional trade, the protagonist sells Earth's resources while acquiring goods from other realms. With a mix of action, adventure, comedy, drama, fantasy, and school life genres, the novel explores the diverse value of goods across different worlds. Featuring themes such as business management, magical technology, and special abilities, this tale unfolds in a world filled with intricate guilds, dungeons, and magical spaces.