Happy Cirno Day! credits released September 9, 2019 Production / Arrangement:FS [Frozen Starfall] – frozenstarfall.net Remix:crouka [FrontierFloor] · Tr. 4, 8 – twitter.com/crouka__ FS · Tr. 5, 9 Vocal / Lyrics:Selphius · Tr. 2, 3, 4, 5 – youtube.com/Selphius Artwork:Ei_Flow – twitter.com/ei_flow Cover Design:Anemielle – www.deviantart.com/anemielle Original 東方 songs by ZUN [上海アリス幻樂団]