Place it at the moment a new participant appears, before any greeting or reply, then follow it with a ha ha laugh for the group reaction and a short yeah reaction underneath the laughter to close the beat cleanly in edits.
关于此声音
This 8-second clip is a flat, announcement-style voice line declaring that another person has joined the chat, delivered like a fake system alert. It lands as rude, cheeky and instantly funny in a group setting, turning an ordinary arrival into a roast that everyone in the call understands without any setup or explanation needed.