Put it at the very start of a sibling entrance, before the reaction shot, then follow it with Bruh Meme when she answers back and Clapping once the joke lands with everyone else.
关于此声音
This five-second clip is a stretched-out vocal call of the word sister, held long in a single voice. It feels light, playful and teasing, like a greeting meant to make a room smile. The drawn-out delivery turns a simple name into a warm joke, giving the moment a friendly, affectionate lift.