Put it at the accusation beat of a reveal edit, just after the evidence is shown and before the reaction lands. Follow it with the Bruh sound for a deadpan response, or with Emotional Damage when the exposed person takes the hit hardest.
關於此聲音
This is a sub-second Japanese voice clip built around the phrase “kore kaiji da na,” delivered in a flat, pointed tone that sounds like a quiet accusation. It gives a listener an instant jolt of suspicion and playful mock-seriousness, as if a hidden detail has been noticed and called out. The brevity keeps the reaction sharp, letting the line land as a quick, knowing jab rather than a longer statement.