Although Shi Duoduo could get into college, it was popular in her school to go abroad, so she came out.
Although Huo Hua was admitted to college, exchange was popular in their school, so she came out.
Tai Wu had graduated from a foreign college, but it was popular in their school to pursue further studies, so she came out.
Xia Sha graduated and worked, but it was now fashionable to stay with the family, so she came out.