To start learning Yuika - Koidorobou chords, build your understanding on these basic chords - B, Abm, E, B, E, B and Gb in sequence. A good strategy is to initiate at 54 BPM and then accelerate to the track's regular speed of 109 BPM. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: E Major.