失われた未来を求めて - Ray of Memories

Ushinawareta Mirai wo Motomete - À la recherche du futur perdu
Soundtrack: Ray of Memories

Visual Novel Eroge developed by Trumple and Released on 2010 November 26.
http://trumple.jp/products/futur/top.php

Song and Lyrics by Hashimoto Miyuki / 橋本みゆき.

Lyrics for the song are here: http://j-lyric.net/artist/a0023d5/l022ff5.html