that red cape was pouring blood at the end of chapter 6 when nimori said maaya died and we can see that it has now started to drip blood by the end of chapter 8, right as maaya started to face her emptiness and her inner conflicts. since the unnamed mysteries seem to be a reflection of the duty members' struggles, that means she's getting closer to reaching the breaking point where she will either understand the true nature of the mystery or be devoured by it and become part of its legend, just like nimori and the makkakka-san. that question she asked nimori does feel like she was right in the middle of it all, but i don't think she will be able to break free and defeat aka manto