I'm sitting down and actually looking up what exactly happened in Silent Sinner in Blue (I did have a general idea of what its plot was, but ignored lots of details), and I'd like to point out one thing I found really funny about the battle of Reimu & co. versus Yorihime.
Apparently, despite Yorihime being able to summon the entire Shintou pantheon including big-name heavenly kami such as Amaterasu, Reimu still has one advantage over her: being able to "float" out of Yorihime's reach. Now I understand this is referring to being able to escape reality itself (?) and it's the basis for her Spell Card "Innate Dream" "Musou Tensei" "Reverie Nature" "Fantasy Nature" (I had seen Reimu use it in Touhou 8 when she's the Stage 4 boss, but I thought it was just a form of teleportation and she was using Yukari-esque boundary manipulation, which Reimu could also use to a limited degree in other Spell Cards such as "Duplex Danmaku Barrier"), but…
When I heard of this for the first time, I thought it was literal, and Reimu could levitate while Yorihime couldn't. So I imagined at first that Reimu using her "floating" power in the battle against Yorihime was just like this: