4 16 Is the girl group Tsing Yi a couple?

It's a couple Because most of them live in "4 16 dormitory", they are called "Shangxi 4 16 women's group" by netizens. Bian Jingting's, Yang's Cheng Pai Tsing Yi, Zhu Jiayin's Mei Pai Tsing Yi, Zhu Xun Pai Hua Dan and Cheng's Hua Dan, folk songs and pop songs were adapted into Peking Opera operas, and five girls studying in the same class took turns to interpret them, which attracted applause from readers in front of the screen.