Place it at the start of an introduction, right before the person appears, then follow it with Bruh for a quick reaction or Oh My God Bro Oh Hell Nah when the reveal deserves a bigger response.
關於此聲音
This is a short spoken meme clip, lasting just over four seconds, built around the name Amelinum delivered in a single clear voice line. It has the feel of a deadpan introduction, as if someone is pointing at a person and naming them for the room. That plain, matter-of-fact delivery is what makes it funny, turning a simple identification into a quick punchline.