Place it as the agreement beat near the end of an anime edit, after the setup and before the reaction. Follow it with Mayuri Tuturu for a character moment, or lead into it from Anime Ahh when the joke needs a yes first.
關於此聲音
This is a voice clip of Onoe Serika saying okkei, lasting just over half a second. The delivery is bright, warm and agreeable, giving a listener a small lift, like a friendly nod after a plan comes together. It works as a quick, positive response that feels light rather than loud.