Ken Hirai Singles Best Collection UtaBaka Two

12 July 2017 33 songs, 2 hours 32 minutes ℗ 2006(1), 2007(2-4), 2008(5-7), 2009(8,9), 2010(10,11), 2011(12), 2012(13), 2013(14), 2014(15-17), 2015(18), 2016(19-21), 2017(22-33) Sony Music Entertainment (Japan) Inc.