On a fall day, Bullshit-chan takes Tougetsu Umidori to the mall. Shes acting oddand has something to tell Umidori. But the sinister Mud Hat Faction is after them! Umidori with cat ears, Bullshit-chans Grill, an Aomori novelist, another Seiryoin, and financial gatekeeping! And at long last, learn what really happened ten years ago–Bullshit-chans secrets revealed!

What answers will that lead them to?
The strangest story around reaches its climax!