Suguru Kamoshida is the first major antagonist of Persona 5, Atlus's role-playing game first released in Japan in 2016, where he serves as a corrupt physical education teacher and volleyball coach at Shujin Academy. This short hum comes from gameplay footage associated with the Mementos Depths section of the game, and it has since circulated on soundboards among Persona fans. Its appeal is not a famous quote but the character's recognisable smugness, which makes a wordless reaction easy to drop into unrelated edits, streams and meme videos.
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Kamoshida's mmm hum from Persona 5, captured during a Mementos Depths scene, used by fans for awkward, smug or suspicious reaction moments in edits and memes.
The clip is a short, drawn-out mmm from Suguru Kamoshida, the disgraced teacher and early antagonist of Persona 5, delivered in a low, self-satisfied tone that feels both smug and vaguely unsettling. It lasts just under six seconds, with the hum swelling slightly before trailing off, leaving a beat of uncomfortable silence that makes it land like a reaction rather than a line of dialogue. In edits it works as a knowing pause, a sign that a character is pleased with themselves, scheming, or enjoying someone else's discomfort, and that slow, oily confidence is exactly why fans keep reusing it.
