Quote 引用元：Hillo 投稿を閲覧
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Nanamo has been whispering/talking to the maiden, this was visually shown. Reason could be she and her are part of some more elaborate plan... or Nanamo told her the plans to push towards a democracy. To which the lady told the Syndicate and had to act immediately. Nanamo was going to make her grand statement at the dinner. Given they had to act then and there... couldn't wait to secure Omega or doing something more concrete... the Scions were there, the WoL were there, going to need some 'assassins' to show the public.

And Jubs would be frustrated too... if two seats in the Syndicate are now open, can't tell people the Sultana is dead without a scapegoat other than Raubahn (arena legend to the people and flame loyalty) since the WoL/Scions escaped. Who ever fills the open seats could be loyal to Scions/WoL. Killing Nanamo after her statement would be a whole lot more damning on the Syndicate than this mess.