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Put it at the very start of an entrance cut, before any dialogue begins. If the greeting gets no reply, follow it with awkward crickets to underline the non-response, then cut straight to the next scene or reaction without layering other greetings underneath it.
關於此聲音
A voice says 'coucou' in less than half a second, credited to MissJirachi. The greeting lands as playful and welcoming, like someone popping in to say hello unexpectedly. Its brevity makes the hello feel cheeky rather than formal, turning a simple French salutation into a quick, upbeat punctuation mark for an entrance.
