Regarding the characters in the "Diário da Imigração" documentary, Nick explained that they were initially invited by the Consulate, and during the interview process, the script took shape. “I also wrote the script based on the interviewees. That's why the idea of telling the story of immigration in chronological order came up. And then, I added important characters. The criteria for choosing the characters was to complete and represent the 60 years of Korean immigration.”