This song by Jam Hsiao 萧敬腾 is in C# and D.
These are the “cheat” chords I played…
Part 1a: C#2 - Fm7 - F#2 - F#m6/G# - G#
Part 1b: C#2 - Fm7 - F#2 - D#m7 - F4 - F7/A
Part 2a: F#2 - A#m7
Part 2b: D#m7 - G#11 - F#m6/G# - G#
Part 3a: C#2 - G#/C [...]
