Not announced. Dede, a round-faced girl, is an Internet celebrity on Douyin. Her brother-in-law has only appeared once in Dede's works. As of September 12, 2023, no information about her brother-in-law has been released. The round-faced girl, whose real name is Cao Menglin, became popular on Douyin by walking in the countryside wearing exquisite clothes and taking photos of the food and beautiful scenery in her hometown.