The clip takes its name from Kaguya and the Japanese word pantsu, meaning underwear, which is why it lands as a cheeky, slightly scandalised reaction rather than a neutral line. Short anime voice clips like this spread through soundboards, meme edits and reaction videos, where a single recognisable word can carry the whole joke without needing context. Because it is only about four seconds long, it is easy to drop into short-form edits, group chats and anime compilations. Its appeal is simple: it is short, instantly anime-coded and funny precisely because it sounds both innocent and embarrassed at once.