Another World Gallery Became Popular, also known as 이세계 갤러리 주딱이 되었다, follows the story of a protagonist who unexpectedly finds himself in a mysterious gallery and is transported to a parallel universe after spending 24 hours there. As the manager of this enigmatic space, he navigates through this new world filled with unique challenges and adventures. The novel delves into themes of exploration, self-discovery, and the unknown, captivating readers with its intriguing narrative and imaginative setting.