「I was so naive.」 original: DECO*27 & Rockwell feat. Hatsune Mikuyoutu.be/KgczJh0uX5ovocals: Kagamine Len V4X Power, Coldvocal manipulation, mix, artwork, video: nightmarebase MIDI: Levinyoutu.be/zOJmWJxXlwQ
http://www.nicovideo.jp/watch/sm37786928