Zhang Huaichu stumbled into Kasukabe with a small food stall, starting by randomly selling dorayaki and takoyaki on the street. Unexpectedly, he gained loyal customers, including the Crayon Shin-chan family. He connected with a mysterious system, unlocking supply chains and expanding his privileges by accumulating positive customer reviews. His food stall became a city-wide sensation, evolving from a mobile cart to a chain store, and then to a global brand, ultimately achieving financial freedom.

While his career soars, he attracts the attention of beautiful women like the gentle Ms. Ageo and the capable Ms. Matsuzaka, leading to a dual pursuit of food and romance. Zhang Huaichu manages his business with one hand, making eel rice and yakitori snacks bestsellers, opening stores in hundreds of cities and thousands of locations; with the other hand, he pursues love, writing his own entrepreneurial legend in the heart of Kasukabe.

Adrian Wisen, who traveled to the world of Harry Potter, didn't have any big ambitions. As a professor at Hogwarts, his daily routine is to take care of children, farm, and cause trouble for the elderly headmaster. Everyone who knew Adrian Wisen also knew that he was a kind and amiable wizard. Oh, there is one important thing. Never go near those plants he grows!