After Handing over the System, He Was Favored by the Country

(There is a male protagonist, but there are few emotional scenes) Su Jiu was abandoned by his parents when he was a child, but was adopted by an old scavenger. However, as the old man grew older and became sick, Su Jiu worked several jobs every day, and unintentionally developed a system in his mind. He said that he would take the heroine to various worlds to open supermarkets to complete the task. Things in the supermarket could be exchanged for things from other worlds. The heroine turned it over to the country without saying a word, and brought back many precious things, making the country stronger and stronger.