Uruha Rushia was a Japanese VTuber associated with Hololive, known for a cute yet mischievous persona and a loyal fanbase that clipped her streams into short, shareable moments. Phrases like oniichan suki became popular because they captured her playful, affectionate style in just a few seconds, making them easy to reuse in fan edits, reaction videos and soundboards. Even after Rushia left Hololive, fans kept circulating these clips alongside other oniichan clips, preserving her voice as a familiar VTuber meme for anime and Hololive communities.