The original source of this clip is not documented, and it circulates mainly as a short game-tagged sound on soundboard sites, where listeners save it for reaction edits rather than for its original context. Its Japanese wording gives it a distinct identity among English reaction clips, and creators tend to reuse it precisely because the admission of confusion is universal, even for viewers who do not speak Japanese. That combination of brevity, deadpan delivery and cross-language humour has kept it in rotation for meme videos, streams and short-form edits.
關於此聲音
A short Japanese voice clip saying even I do not understand, used as a confused reaction sound in game edits and meme videos when something makes no sense.
This is a brief, deadpan Japanese voice line lasting just over a second, delivered in a flat, slightly baffled tone as if the speaker has given up trying to explain something. The words translate roughly to even I do not understand, and the humour comes from that admission: instead of solving a puzzle, the speaker joins the listener in confusion. Dropped over a failed play, a strange glitch, or an absurd plot twist, it lands as a shrug in audio form, letting the audience laugh at the nonsense rather than feel lost by it.