On the 9th of October episode of MBC "We got married", Khuntoria couple or Nichkhun and Victoria spent the day with the rest of their family, Sulli, Krystal and Luna who are the rest of the members of f(x).

Luna, Krystal and Sulli were asking what Victoria and NichKhun calls themselves, and what their nicknames were for each other.

Sulli then recommended that they should call each other "mom" and "dad". Since they were the parents of Sulli, Victoria and Luna, they should call themselves "mom" and "dad".

In the end, Victoria and NichKhun tried to call themselves "mom" and "daddy" and they couldn't help but laugh.

Source: Seoul ntn
credits: blueprincess824 @ dkpopnews.net