The Announcer said that a mixed race girl was missing. So gru is only half korean. A further foreshadowing that gru is the daughter of this villainness.
FROM WHAT I'VE READ FROM THE SPOILERS IN THE NOVELS, GRU IS ACTUALLY RELATED TO ON JURIM VIA HIS OLDER BROTHER WHO HAS A GIRLFRIEND CALLED HAN CHLOE(?)
SPOILER:FROM WHAT I'VE READ FROM THE SPOILERS IN THE NOVELS, GRU IS ACTUALLY RELATED TO ON JURIM VIA HIS OLDER BROTHER WHO HAS A GIRLFRIEND CALLED HAN CHLOE(?) Noaharrynne
The Announcer said that a mixed race girl was missing. So gru is only half korean. A further foreshadowing that gru is the daughter of this villainness.