Please be as specific as possible when letting us know what is missing or incorrect. For example, say "this game's trophy difficulty should be 8/10", with a link to a website corroborating this difficulty estimate (if possible), not "this game's trophy difficulty is wrong".
'Hand in Hand,' written and produced by kz(livetune), was the official theme of Hatsune Miku Magical Mirai 2015. Now that it's available as a rhythm game song for Hatsune Miku: Project DIVA X, you can bring the live concert experience into your home!