Place this clip as the first reaction after the reveal in your edit, then follow it with kids cheering for a bigger group celebration, or lead into it with oh my god wow to stack two reactions before cutting back to the main scene.
이 사운드에 대해
This is a very short Portuguese voice clip, about one and a half seconds long, of someone saying 'Eu acho isso muito incrível' — I think that is really incredible. It feels warm, sincere and genuinely impressed, like an honest reaction of amazement rather than sarcasm, which makes the praise land as heartfelt and uplifting.