Your surname is Liu, and your wife's surname is Dong Chunsheng. Spring is more suitable for girls.
Nicknamed "Chun" or "Koharu";
Daming takes your surname as "Liu Dongchun" on formal occasions;
An informal occasion without your surname is called "Dong Chun" after your wife's surname.
Do you like it?
So your wife will be happy, because you are called "Winter Spring" on weekdays.