The black vest of the Korean team is a member of the new Korean women's team Bambino. In a stage performance, Cheng was sexy and hot in a black vest, with a perfect figure, and instantly boarded a hot search. Therefore, Korean fans have become wearing black vests. On 20 10, Cheng joined the women's dance company Bambino, and was active in various celebration activities by dancing with other idol groups, especially the "video of making rice" was widely circulated on the Internet, and he had a strong fan base before his debut, thus becoming a famous dancer.