FamilyMart is a major Japanese convenience store chain whose short entrance chime is instantly recognisable to shoppers across Japan. Online, creators have remixed that familiar greeting into louder, clipped and distorted versions, often labelled in Japanese as oto-ware, meaning a sound that has broken apart from over-amplification. The joke works because the original is so polite and everyday, while the distorted edit feels deliberately wrong. It spread through short-form videos and meme edits, where it now signals an over-the-top shop visit or a chaotic everyday moment.