What a fun analysis! Tbh that's exactly what the song feels like to me, and that's exactly how a good songwriter and composer like Ayu (or CREA, in this case) can move people through their music.
Edit: I didn't know she's the singer behind "Romance no Kamisama", I know that song thanks to DDR! :O
I also have a question... There's another where she's very emotional after singing and analyzing the song. Why is that?