Try to find all the characters in this image! (looking in Danbooru or Pixxiv don't count!)
Flandre Scarlet, Reimu Hakurei (twice), Nue Hojuu, Sanae Kochiya, Prismriver Sisters (Lunasa, Lyrica, Merlin) Byakuren Hijiri, Kaguya Houraisan, Shou Toramaru, Nazrin, Miyako Yoshika, [Mickey Mouse], Three Legendary Fairies (Luna Child, Sunny Milk, Star Sapphire), Marisa Kirisame, Alice Margatroid, Cirno, Nitori Kawashiro !!!
And, yes, I didn't have to look any of them up. If any of us has been the biggest Touhoufriend for the longest on this forum... It's me