Ushinawareta Mirai wo Motomete – À la recherche du futur perdu
Soundtrack: ∞未来 (∞Mirai / Infinite Future)
Visual Novel Eroge developed by Trumple and Released on 2010 November 26.
http://trumple.jp/products/futur/top.php
Lyrics of the song are here:
http://tinyurl.com/65c83ka
WACOCA: People, Life, Style.