As a high school girl, Anna has to maintain a balanced life between her schoolwork and her crime-fighting act. Luckily, she is supported by her family and her mentor.

Being a Han Chinese descendant, Jie-Feng's outfit combines traditional Han clothing with modern touch. She can manipulate her life energy, or "qi", allowing her to gain superhuman strength, stamina, speed, and several other things. However, she still needs a considerable amount of time to practice martial arts to hone her skills.