Place it as the immediate reply to an on-screen accusation, then follow with a huh sound button for the confused reaction shot, and finish with a wrong answer game show button when the evidence proves your guilt anyway.
關於此聲音
This is a short two-second voice clip of someone flatly saying 'I don't know what you're talking about' with complete, unconvincing innocence. It lands as a deadpan denial, making the listener feel the awkward, funny tension of being caught out while pretending nothing happened and refusing to admit a thing.