Kara no Kyoukai ~Like a flower that blooms bravely~

From NicoNicoDouga. MP3 download link 「MP3 を 抽出」←click Anime Title：空の境界 (Kara no kyoukai) / The Boundary of Emptiness Song Title：凛として咲く花の如く (Rin toshite saku hana no gotoku) / Like a flower that blooms bravely