Nekomata Okayu is a Japanese VTuber with Hololive Gamers, known for a calm voice, playful teasing, and long relaxed game streams. Fans clipped short reactions like genkai da yo from her broadcasts and shared them across soundboards, Discord servers, and fan edits. The phrase became a handy shorthand in VTuber communities for hitting a limit during games, work, or study sessions. Its popularity comes less from one single viral moment and more from repeated use by fans who recognise Okayu's delivery instantly and reuse the clip whenever a situation feels like too much.