The yandere archetype comes from anime and manga fandom, where a character who seems loving and devoted reveals a possessive, unstable side. That mix has made yandere voices a staple of fan edits, memes, and short-form videos, where a few seconds are enough to signal obsession without explaining the whole character. Clips like this one circulate on soundboards because they are short, instantly recognisable to anime fans, and easy to drop into reaction videos, edits, and jokes about crushes and jealousy.