To learn まふまふ - ユウレイ chords, begin by getting comfortable with these sequence: C, Bm, G, C, Bm, Em, Am, B and Em. I suggest starting at a calm pace of 46 BPM, and as you gain confidence, approach the song's BPM of 92. Given the song's key of G Major, adjust the capo to align with your vocal range and chord preference.