Place it at the cut where a character or streamer leaves the scene, then bring in Okay Let's Go when they return so the two lines frame the break. Use it as a bridge between gameplay moments rather than as an opening or closing cue.
關於此聲音
This is a very brief spoken line, lasting just over three tenths of a second, in which Tails says he will be right back. It feels light, friendly and reassuring, like a cheerful pause rather than a real goodbye, and it works as a quick signal that someone has stepped away for a moment.