The choice and use of these nicknames are related to the meaning of the word "Xia". "Xia" can be interpreted as "cloud" and "red cloud", which gives people romantic and beautiful associations.
Therefore, in posthumous title, there are many accounts with the word "Xia", such as "Sister Cai Xia" and "Qiuxia remains". These nicknames all give people a beautiful and romantic feeling, which is very suitable for Tik Tok's socialization.