【初音ミクAppend DARK】 Returnee 【u-ske's hope remix】
This song is actually composed by 弱音P but remixed by U-ske
■ music / 弱音P (original song - sm9127703)
■ illust / wogura http://wogura.com/
■ remix / U-ske http://hat.lix.jp/ - mylist/3783904
U-skeP's previous work includes innocent girl • 【初音ミクAppend SWEET】innocent girl【オリジナル】 + mp3
Nico source: http://www.nicovideo.jp/watch/sm11487315