It’s because it’s translated, theirs no English equivalent to what the word really means which is just another female around your age but the closest English word to it is sister. When they use it they mean a girl close to age with herself not a sibling or actual sister
jie jie can be good too.. just put the meaning in the bottom page
Didn't she say that it is her half sister?
not half but step-sister.. their parents are remarried, white-haired girl's mother remarried to older sister's father
The sister shit is throwing me off wth