This song by Eric 周兴哲 is in Ab.
These are the “cheat” chords I played…
Part 1a: Ab2 - Eb/G - Fm7 - Fm7/Eb
Part 1b: Db2 - Eb - Cm7 - Fm7
Part 1c: Bb7 - Eb4 - Eb
Part 2a: Ab2 - Eb/G - Fm7 - Db2
Part 2b: same as Part 2a
Part 3a: Db2 - Eb - Fm7 [...]
