Xiao Peng, an errand boy, and his sister were not married. Xiao Peng, who runs errands, and her sister are both from online celebrity Tik Tok, and they have a large number of fans on social media. Although the two often appear as lovers, in fact, they have not officially confirmed their love relationship. Xiao Peng, who runs errands, is a very popular online celebrity of Tik Tok. He often shares his daily life and funny videos, which attracts a lot of fans' attention. This nun is also a famous online celebrity of Tik Tok. Her video style is mainly about food and travel, and she also has many fans. Although the two often interact on social media, they have not publicly announced their marriage relationship. Therefore, it can be concluded that Xiao Peng, an errand boy, and his sister were not married.