Who sang the constellation code?

AOA is a Hong Kong women's music group and host, and was once called "the most beautiful twins" on the Internet. It is composed of elder sister Wu Yanshan and younger sister Wu Yanjing, and comes from Guangzhou. He is good at many kinds of dances, including ballet, folk songs, jazz and hip-hop. The choreographer is Sunny Wong, specially choreographed by Aaron Kwok. AOA even shot 35 advertisements before its debut and won 19 awards.