Touhou LostWord on Twitter: "Nitori Kawashiro is a kappa engineer who is deeply interested in the tools that humans use in the outside world. She also carries various materials and tools in
Prepared Kappa : r/touhou
Touhou - Ame to Kappa to Wasure Kasa (Doujinshi) - MangaDex
Touhou Fanart: Kappa Missiles by Kasey-N-Moore on DeviantArt