As a Saintia and the personal secretary of Saori, Mii is well aware of different threats to the goddess. In addition, she constantly continues to monitor the safety and rejects any suspicious gathering. That's why she was hard pushed upon Shoko, when Shoko was trying to contact Saori.  Shortly after that, Mii finds Saori Kido in her private office, and both have felt the effects of the battle between Kyoko and the minions of the goddess of chaos, Eris. 