Ichigo Mashimaro, known in English as Strawberry Marshmallow, began as a manga by Barasui before its anime adaptation in 2005. The slice of life series follows a group of young girls, with Miu Matsuoka standing out for her loud, teasing and unpredictable behavior. Short clips of her voice later circulated on soundboards and in fan edits, where her expressive delivery became a shorthand for bratty cute energy. The sound remains popular with anime fans who use it to instantly signal Miu's personality without needing any visual context.