[Franckie]

Spoiler:

I guess the author decided to speed things up immensely by removing Ajimu's five remaining screws save the last one. It'd be a tense development if not for the simple fact Ajimu still has no personal incentive to pick a fight with the main cast. Something still needs to happen to force her to change her mind.

My guess is the screw will come off during the upcoming climax with Zenkichi. Since Zenkichi never walks away from a fight unscathed, a full-powered Ajimu would be a convenient plot device so Zenkichi won't end up permanently cripplied as once before, e.g. vs Kumagawa.