The clip comes from HikakinTV, the channel of Hikakin, one of Japan's most widely recognised YouTubers known for beatboxing, product reviews and high energy reactions. His catchphrase style delivery made short lines like this easy to lift as standalone reactions. The mix of a startled nani and an eager yarimashou travels well outside Japanese speaking audiences because the tone carries the meaning. Fans and editors reuse it as a compact meme reaction, especially in gaming and challenge videos where a quick shift from surprise to motivation is the whole joke.
About this sound
Hikakin's excited Japanese voice clip saying nani, yarimashou from HikakinTV, used by creators as a short let's go and hype reaction in meme edits.
This is a two second voice clip of Japanese YouTuber Hikakin bursting in with a surprised question before rallying everyone with yarimashou, meaning let's do it. The delivery is bright, fast and a little bewildered, shifting from nani, what, to instant enthusiasm in under two seconds. That snap from confusion to go time is what makes it land as a punchline. Dropped over a reveal, a challenge start or an unexpected twist, it gives the moment a playful, over the top energy without needing any setup or explanation from the editor.