Galaxy Collapse's sequel?
SoundCloud link: https://soundcloud.com/dialgadu77/scattered-faith
Bandcamp: https://kurokotei.bandcamp.com/track/scattered-faith
Original song: 感情の摩天楼 ～ Cosmic Mind (Emotional Skyscraper ~ Cosmic Mind) by ZUN, from Touhou 12
Artwork by 紅衣きつね: http://www.zerochan.net/978463 (slightly edited by Gezo, thanks to him!)
紅衣きつね's pixiv: https://www.pixiv.net/en/users/10438816/artworks
My SoundCloud (if you want to hear some of my other songs): https://soundcloud.com/dialgadu77