Originally from the same company, tfboys is senior Chi Yi. According to Sohu News, Chi Yi was originally a trainee of the TF Family. Huang Rui, the founder of Yi'an Music Club, originally worked at the TF Family's company, Shi Fengjun, and later resigned and left the TF Family, taking him with him at the same time. Several trainees from the TF family formed the Yi'an Music Club group, and Chi Yi was one of the trainees.