Full title was too long for Youtube. -___-
Title 1: Intro:The Shining Needle Castle Sinking in the Air
Title 2: 空中に沈む輝針城 ～ Counter-Clock World
Artist: Demetori
Circle: Demetori
Album: 愧人贖悪 ～ Evil People as the True Object of Salvation
Released Date: August 14th, 2015 (Comiket 88)
Website: http://www.kawachi.zaq.ne.jp/demetori/
Original: 空中に沈む輝針城 (The Shining Needle Castle Sinking in the Air) from 東方輝針城 ～ Double Dealing Character (Touhou Kishinjou ~ Double Dealing Character)
Pictures:
1: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=40157665
2: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=37905786