Kagami Hayato is a Japanese VTuber affiliated with Nijisanji, and his distinctive ihihihi laugh became a favourite clip among fans who share short reaction sounds online. The excerpt is less than a second long, which makes it easy to drop into edits, streams and memes without breaking the pace. It spread through fan soundboards and short-form videos, where viewers recognised the teasing tone even without knowing the original stream. Its brevity and playful character keep it useful as a quick, lighthearted reaction.