Li-Fen has a cameo in Chun-Li's story, teaching her not to do everything alone and giving her her famous Hair Bun during the Alpha series.
Street Fighters 3:Third Strike
Urien kidnapped the young girl for his scientific projects, and Chun-Li goes after him. Challenging him, she defeats Urien and reclaims the young girl. Since then, Chun-Li has continued to raise her adopted kids.