Either Spiral's theory is correct or scum has a role that can make somebody go insane or framer or somebody like that. Is somebody knowledgeable in touhou say if there is a character that would fit this sort of flavor?
Reisen is associated both with hallucinations and making people go insane. She is a popular character and I've already suspected she's in the game. She has a spellcard that make bullets briefly invisible. She also has ones where bullets become translucent (you can pass through them safely) and move, then become deadly one again (forcing you to reposition yourself). She attempts to conceal a door leading to Kaguya (the primary antagonist) to try and sent the player on a decoy route to the secondary antagonist (Eirin) to protect Kaguya. The game has a time system and if you play a stage well enough, you get to face a special spellcard at the boss and only a hour hour passes in game time as opposed to an hour. If you beat Reisen early enough in the night, she will not have concealed the door and you will be able to choose Kaguya's route (failing makes you automatically go to Eirin's route). In addition, the previous (fourth stage) pits you against another protagonist (Reimu or Marisa) because she suspects you of creating the game's incident while you assume it's her. Only after that battle do you discover the mansion where the incident creators are. In addition, an earlier boss Keine has the ability to "conceal history" as well as concealing a village she protects (so she could have a role that reflects that). She isn't as important of a character to the story, but is also associated with the game's Extra stage boss, Mokou (bitter enemy of Kaguya). She is immortal and self-revives.
I can't think of anyone that fits better for that type of role than Reisen, and she's pretty well known. B8 has a boner for Lunatic Eyes ~ Invisibile Full Moon more than any other Touhou song and that's her theme, so she'd be a prime candidate for this
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I never said anything about banging her. Also, I wouldn't bang her. -LusterSoldier (on a fat pageant mom whose daughter chugs Mt. Dew)