"Getting his mum to approve of our relationship was nerve-wracking but I'm glad that in the end, she was able to see me for who I am and not brush me away just because I'm a foreigner," said Ms Wong.
As of 2014, there were 795,000 multicultural family members, comprising South Koreans, their foreign spouses and their biracial children, living in the nation of 50 million people, according to the Ministry of Gender Equality and Family.
The country is also home to about 1.7 million foreigners.
Details are being worked out and will be announced later.
When implemented, this change will be welcomed by observers who feel that South Koreans are still largely ignorant about foreign cultures, due to a lack of knowledge of and exposure to the outside world.
The couple eventually got married last year, with Mr Kim's mother's blessings, and they have a baby girl.