Place it right after the confusing statement in your edit, then follow it with the Ceeday Huh for a second reaction before cutting to the Oh My God Wow as the scene peaks.
이 사운드에 대해
This under-a-second Portuguese voice line throws back a quick question and a plain admission of not getting it, in a clipped, direct tone. It feels playfully baffled rather than annoyed, like a friend asking for the whole point to be repeated from the start. The Brazilian Portuguese wording makes the confusion instantly clear, even to listeners who only catch the tone.