4K 60FPS／Angel's stairs.《ef - the first tale.ef - the latter tale》悠久の翼 & emotional flutter

This video is to commemorate the period from A.D.2005 to 2007. I still remember that when I was in 2006, I knew this game/animation because of the Youtube videos. I was deeply touched by its beauty and plot. ef - the first tale song: 悠久の翼 (悠久之翼) 作詞：酒井伸和 作曲、編曲：天門 歌：原田ひとみ (原田瞳) ef - the latter tale song: emotional flutter 作詞：酒井伸和 作曲、編曲：天門 歌：原田ひとみ (原田瞳)