To learn 衛蘭 - 離家出走 chords, these are the chords to practise in sequence: D, A, Bm, E, F#m, C#m, D, E, A and F#m. I suggest starting at a calm pace of 68 BPM, and as you gain confidence, approach the song's BPM of 137. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: E Minor.