The 'Hello! I’m Emu Otori! Emu Is Meaning Smile!' meme stems from the mobile rhythm game Project SEKAI Colorful Stage! feat. Hatsune Miku. The character Emu Otori, known for her boundless energy and catchphrase 'Wonderhoy!', delivers this specific line in English during one of the game's stories. Fans quickly latched onto her charmingly enthusiastic delivery, turning it into a viral soundbite across TikTok and YouTube. It is typically used to represent pure, unadulterated chaos, toxic positivity, or simply as a wholesome greeting within the vocaloid and rhythm gaming fandoms.