Place it right after the reveal in a short edit, then follow it with a goofy ahh sound for a second beat before cutting to the reaction shot, and keep a scream meme ready for a bigger twist later in the same video.
關於此聲音
This clip is a single drawn-out anime-style ahh, held for just under six seconds by a high, expressive voice. The stretched sound feels dramatic and over-the-top, like a sudden gasp turned into a joke, and it lands as playful surprise rather than alarm.