Put it at the opening of a character entrance, just before the action begins, then follow it with an air horn for a bigger reaction. For a game win, place it after the correct-answer sting to mark the result, and keep a laugh nearby for a lighter follow-up.
关于此声音
Kai Theme is a short musical theme lasting about eight seconds, presented as a compact cue rather than a full song. It gives a listener a lift, the feeling of a character arriving with purpose and the scene turning in their favour. Its brevity keeps the moment sharp, so the theme lands as a signal rather than background music.