Usada Pekora is a Japanese virtual YouTuber with Hololive, known for her playful rabbit persona and energetic livestreams, where short vocal reactions like this one are clipped and shared by fans. The yes sound became a handy shorthand online because it is instantly readable even without context, working in gaming videos, anime edits, and chat reactions alike. Its popularity has endured through soundboards and short-form video, where creators favour brief, recognisable VTuber reactions that add personality without interrupting the action on screen.