The most interesting and unique song (B-side) I've heard in a while

I think the song fails to maximize its catchiness by having sections that take too long to resolve, but it's not bad.

kind of sounds like the song that would play during the "happy montage" or "introduce the female lead" scenes in a romcom kdrama

Summoned like a genie! I’m going to doubleback on this one. I’m preoccupied at the moment. I will share that I think the song would be better with actual piano playing rather than looping the same recording.

Another missed opportunity was leaning a little more into a really infectious “percussive quality” associated with the Motown era. You can hear it in The Supreme’s “Baby Love”. You can catch it within the first 30 seconds of the start of the song. The elements were there but didn’t sync up effectively: