Place it right after the sneaky move is revealed, then follow the reaction with an Enemy Spotted cue if the whole group turns to chase. Keep it as the solo punch before that chase sound, so the joke reads as callout first, panic second.
關於此聲音
This is a brief voice clip of Xigbar saying 'Clever little sneak!' in a teasing, pointed tone, lasting just under two seconds. It lands as playful and smug, like a villain happily catching someone in the act. The line comes from Kingdom Hearts II, where Xigbar uses it as a taunt.