How Could One Expect That Youth Is Not Brilliant?

Eight girls in Class 4, their youth is slowly told by the sound of "Acan". Acan is recognized as a good student in Class 4. She has no temper, studies well, and understands life. She lives in the north, but she has the gentleness of a southern girl. Acan's youth is composed of eight girls' voices. Concept: Tell the story of eight girls from A Chan's perspective