To learn Iwamizu - Renka chords, grasp the musical fabric of the song with this sequence - B, Gb, B, Bb, Ebm and B of chords. A good strategy is to initiate at 40 BPM and then accelerate to the track's regular speed of 81 BPM. Set the capo considering your vocal range and favored chords, aligned with the key: Gb Major.