a20 lite neon was a mainstream hit.

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I heard it was a massive hit that even broke NewJeans' records, so I listened to it and wrote a post saying "??",
then after watching a video from the YouTube channel "Quiet Restaurant," I got a bit of a hint and reached a conclusion.
This was a mainstream pick.
Listening to this song reminded me of BESTie's "Lovey Dovey."
I heard BESTie's "Lovey Dovey" was making a huge comeback on the charts, so I listened to it, but I was like, "Wait, why? Why is everyone raving about this song?"
(I don't listen to idol music, whether it's old or new).
Similarly, my reaction to "neon" is the same even now,
but as soon as I heard it, I felt like I had taken a time machine back to the era when SM songs were at their peak.
I had never even heard of the group BESTie before,
but I think they entered the Melon Top 100 due to a chart climb, even though they were relatively unknown.
I think it's not just that it sounds like old-school SM, but because the song feels like it's actually from that era, it stimulated nostalgia and the vibe of that time through the music and the dancing.
Since that SM vibe was essentially the mainstream mainstream pick itself,
I feel like the mystery is finally solved.