There are four people in the Red Beibei Women's Group I * *, namely Irene Pei, Jiang Seqi, Sun Chenghuan and Lizzy.
The sound source and mv of Hong Beibei's title song "Birthday" are public, and the whole MV style is cute and playful, with a feeling of escaping from the opera. Each set of styles has an appropriate style presentation, or fashion or coolness is integrated with the overall style.