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The sound comes from Daily Lives of High School Boys, a comedy anime centred on the everyday lives of a group of high school boys, where Toshiyuki Karasawa is known for his deadpan reactions and understated humour. Fans clipped his brief no because it captures that style in under a second, and it has since circulated on soundboards and in short-form edits as a quick, reusable rejection. Its appeal has lasted because the delivery is so plain: it works in almost any context without needing the original scene to make sense.
About this sound
Toshiyuki Karasawa from Daily Lives of High School Boys gives a flat no in this anime sound effect, ideal for rejecting a suggestion in a meme or reaction clip.
The clip is a single, clipped utterance of the word no, spoken by Toshiyuki Karasawa in a dry, unimpressed tone that lands somewhere between boredom and quiet disapproval. It lasts less than a second, with no music, background noise, or buildup, so the refusal hits instantly and leaves no room for argument. That bluntness is what makes it funny: it sounds like a friend shutting down a bad idea without bothering to explain why. Dropped into an edit, it gives a scene a deadpan punchline and lets the visual joke do the rest of the work.
