Short anime laugh clips like this circulate on soundboards and in fan edits because a single giggle can carry a whole reaction without dialogue. The nii call and double hee hee shape make it easy to recognise even at low volume, so creators reuse it for cute, teasing or smug moments in anime compilations, live chat alerts and short meme videos. It sits alongside Tuturu and other brief anime reaction sounds that editors drop in for timing rather than story, and its popularity comes from how instantly it signals playful amusement.