Akutagawa Ryuunosuke's "Kappa" ~ Candid Friend – ZUN Sheet music for Saxophone alto (Solo) | Musescore.com
Character Analysis: Nitori Kawashiro | Touhou Project Amino
Listen to Akatsuki (暁Records) - Cyanotype ~ サイアノタイプ (Akutagawa Ryuunosuke's Kappa ~ Candid Friend - Vocal) by Kyouko Kasodani in Touhou Part 2 playlist online for free on SoundCloud