To learn Yb - 너를 보내고 chords, these are the chords to practise in sequence: E, Am, C, Bb, Dm, G, C, F and G. I suggest starting at a calm pace of 63 BPM, and as you gain confidence, approach the song's BPM of 126. Adapt the capo setting considering your vocal range, with reference to the key: F Major.