Kizuna きずな 20th single by Matsuura Aya Released May 21, 2008 Editions 2 Tracks 2 Regular edition · Regular EPCE-5558 · May 21, 2008 1 Kizuna A-side 2 Hitori B-side 3 Kizuna (Instrumental) Single V edition · Single V EPBE-5293 · June 4, 2008 Participants Matsuura Aya
