Place it right after the reveal in a short edit, then follow it with the Shocking Sound Effect to build on the moment before cutting to the reaction shot and the next scene.
關於此聲音
This is a 1.3-second vocal clip credited to Davie504, built around the short exclamation in its title. The delivery is sudden and incredulous, landing like a double-take when something does not add up. It feels funny and startled rather than angry, giving a quick burst of disbelief that works best as an instant reaction.