The exact source of this clip is unclear from the available information, and it is commonly shared simply as "uwu naoki" on soundboards and short meme edits. Its popularity comes from the familiar anime-influenced "uwu" delivery, which internet culture has long used to signal cuteness, shyness or deliberate cringe. Because the clip is only a couple of seconds long, it spreads easily in reaction videos, fan edits and joke posts where a quick vocal cue does most of the work.
About this sound
A short anime-style uwu voice clip labeled Naoki, used in memes, cute edits and ironic reaction posts when creators want a playful, teasing tone.
This sound is a very short voice clip built around an exaggerated "uwu" delivery with an anime-style, cutesy tone. It lands fast, making it useful as a punch-in reaction rather than a long quote or scene audio. The appeal comes from the contrast between the childish sweetness of the sound and whatever visual it is paired with, whether that is something genuinely adorable or something being mocked. In edits, it usually reads as playful, flirty, awkward or intentionally cringey, which is why it works well in meme formats and quick reaction cuts.